Prevent commerce_tracking flash message appearing on checkout
Prevent commerce_tracking flash message appearing on checkout

Fixes #1428 (again)

Also stops a double iteration through all (max two) of the flash messages

jordan-brough/solidus,TimurTarasenko/spree,tancnle/spree,Machpowersystems/spree_mach,sunny2601/spree,pjmj777/spree,zaeznet/spree,adaddeo/spree,tailic/spree,rbngzlv/spree,agient/agientstorefront,APohio/spree,woboinc/spree,karlitxo/spree,forkata/solidus,sliaquat/spree,watg/spree,volpejoaquin/spree,tancnle/spree,pjmj777/spree,zamiang/spree,rbngzlv/spree,miyazawatomoka/spree,ahmetabdi/spree,grzlus/solidus,Ropeney/spree,archSeer/spree,pervino/spree,sunny2601/spree,forkata/solidus,priyank-gupta/spree,judaro13/spree-fork,progsri/spree,gregoryrikson/spree-sample,alepore/spree,mleglise/spree,APohio/spree,rajeevriitm/spree,edgward/spree,bonobos/solidus,keatonrow/spree,yiqing95/spree,SadTreeFriends/spree,DarkoP/spree,tesserakt/clean_spree,Machpowersystems/spree_mach,radarseesradar/spree,reinaris/spree,piousbox/spree,gautamsawhney/spree,dandanwei/spree,ramkumar-kr/spree,progsri/spree,yushine/spree,rakibulislam/spree,pervino/spree,rajeevriitm/spree,watg/spree,alvinjean/spree,LBRapid/spree,judaro13/spree-fork,Ropeney/spree,JuandGirald/spree,HealthWave/spree,yomishra/pce,dotandbo/spree,alejandromangione/spree,vinsol/spree,Arpsara/solidus,tesserakt/clean_spree,alejandromangione/spree,DynamoMTL/spree,shioyama/spree,codesavvy/sandbox,Arpsara/solidus,net2b/spree,builtbybuffalo/spree,lsirivong/solidus,yiqing95/spree,thogg4/spree,shaywood2/spree,DynamoMTL/spree,codesavvy/sandbox,yushine/spree,biagidp/spree,DynamoMTL/spree,PhoenixTeam/spree_phoenix,jimblesm/spree,groundctrl/spree,lsirivong/solidus,raow/spree,athal7/solidus,urimikhli/spree,shekibobo/spree,wolfieorama/spree,AgilTec/spree,azranel/spree,jhawthorn/spree,trigrass2/spree,joanblake/spree,jaspreet21anand/spree,jordan-brough/spree,yiqing95/spree,moneyspyder/spree,beni55/spree,carlesjove/spree,carlesjove/spree,quentinuys/spree,hifly/spree,omarsar/spree,kewaunited/spree,lyzxsc/spree,grzlus/spree,ckk-scratch/solidus,alejandromangione/spree,reinaris/spree,builtbybuffalo/spree,welitonfreitas/spree,adaddeo/spree,abhishekjain16/spree,pulkit21/spree,codesavvy/sandbox,TimurTarasenko/spree,pervino/spree,Kagetsuki/spree,agient/agientstorefront,codesavvy/sandbox,karlitxo/spree,jeffboulet/spree,ramkumar-kr/spree,shaywood2/spree,urimikhli/spree,pervino/solidus,tomash/spree,miyazawatomoka/spree,vinayvinsol/spree,Mayvenn/spree,Engeltj/spree,wolfieorama/spree,freerunningtech/spree,brchristian/spree,beni55/spree,patdec/spree,Kagetsuki/spree,ahmetabdi/spree,jasonfb/spree,fahidnasir/spree,omarsar/spree,welitonfreitas/spree,Nevensoft/spree,delphsoft/spree-store-ballchair,abhishekjain16/spree,patdec/spree,reinaris/spree,azranel/spree,tesserakt/clean_spree,net2b/spree,NerdsvilleCEO/spree,reinaris/spree,groundctrl/spree,vulk/spree,scottcrawford03/solidus,StemboltHQ/spree,LBRapid/spree,trigrass2/spree,xuewenfei/solidus,DarkoP/spree,Engeltj/spree,pulkit21/spree,RatioClothing/spree,vmatekole/spree,tomash/spree,sideci-sample/sideci-sample-spree,priyank-gupta/spree,sfcgeorge/spree,jspizziri/spree,LBRapid/spree,camelmasa/spree,jparr/spree,freerunningtech/spree,hifly/spree,AgilTec/spree,FadliKun/spree,yomishra/pce,calvinl/spree,Hates/spree,azranel/spree,vinayvinsol/spree,scottcrawford03/solidus,omarsar/spree,useiichi/spree,alvinjean/spree,Nevensoft/spree,net2b/spree,degica/spree,dotandbo/spree,DynamoMTL/spree,fahidnasir/spree,tesserakt/clean_spree,mindvolt/spree,rakibulislam/spree,brchristian/spree,maybii/spree,degica/spree,vulk/spree,tailic/spree,lsirivong/spree,cutefrank/spree,CiscoCloud/spree,Senjai/solidus,PhoenixTeam/spree_phoenix,bjornlinder/Spree,derekluo/spree,robodisco/spree,vmatekole/spree,odk211/spree,caiqinghua/spree,forkata/solidus,azclick/spree,HealthWave/spree,hifly/spree,tancnle/spree,fahidnasir/spree,welitonfreitas/spree,grzlus/spree,Mayvenn/spree,builtbybuffalo/spree,progsri/spree,yomishra/pce,zamiang/spree,Boomkat/spree,jparr/spree,dandanwei/spree,priyank-gupta/spree,zamiang/spree,berkes/spree,alvinjean/spree,quentinuys/spree,Migweld/spree,jordan-brough/solidus,yushine/spree,tailic/spree,knuepwebdev/FloatTubeRodHolders,Lostmyname/spree,Engeltj/spree,ramkumar-kr/spree,maybii/spree,jasonfb/spree,PhoenixTeam/spree_phoenix,hoanghiep90/spree,urimikhli/spree,dotandbo/spree,joanblake/spree,agient/agientstorefront,zaeznet/spree,Boomkat/spree,JDutil/spree,nooysters/spree,carlesjove/spree,xuewenfei/solidus,athal7/solidus,odk211/spree,Machpowersystems/spree_mach,cutefrank/spree,degica/spree,SadTreeFriends/spree,Boomkat/spree,hoanghiep90/spree,derekluo/spree,jsurdilla/solidus,ckk-scratch/solidus,KMikhaylovCTG/spree,TimurTarasenko/spree,raow/spree,Migweld/spree,robodisco/spree,jparr/spree,biagidp/spree,Ropeney/spree,zaeznet/spree,wolfieorama/spree,knuepwebdev/FloatTubeRodHolders,reidblomquist/spree,sideci-sample/sideci-sample-spree,project-eutopia/spree,ahmetabdi/spree,siddharth28/spree,builtbybuffalo/spree,vcavallo/spree,KMikhaylovCTG/spree,nooysters/spree,lzcabrera/spree-1-3-stable,siddharth28/spree,orenf/spree,kitwalker12/spree,surfdome/spree,grzlus/spree,ayb/spree,reidblomquist/spree,tancnle/spree,net2b/spree,woboinc/spree,Senjai/solidus,keatonrow/spree,StemboltHQ/spree,RatioClothing/spree,shaywood2/spree,jimblesm/spree,maybii/spree,jaspreet21anand/spree,mindvolt/spree,DarkoP/spree,JDutil/spree,NerdsvilleCEO/spree,Boomkat/spree,mleglise/spree,archSeer/spree,vulk/spree,shioyama/spree,tomash/spree,rakibulislam/spree,hoanghiep90/spree,TrialGuides/spree,miyazawatomoka/spree,madetech/spree,Nevensoft/spree,keatonrow/spree,Mayvenn/spree,calvinl/spree,richardnuno/solidus,ayb/spree,gautamsawhney/spree,mleglise/spree,vmatekole/spree,keatonrow/spree,archSeer/spree,surfdome/spree,Senjai/spree,grzlus/solidus,brchristian/spree,vulk/spree,joanblake/spree,jordan-brough/spree,madetech/spree,gregoryrikson/spree-sample,rajeevriitm/spree,pulkit21/spree,bonobos/solidus,devilcoders/solidus,camelmasa/spree,vinayvinsol/spree,sfcgeorge/spree,delphsoft/spree-store-ballchair,Hawaiideveloper/shoppingcart,APohio/spree,jordan-brough/solidus,piousbox/spree,berkes/spree,lyzxsc/spree,zaeznet/spree,trigrass2/spree,Nevensoft/spree,lsirivong/spree,Ropeney/spree,Hawaiideveloper/shoppingcart,quentinuys/spree,gregoryrikson/spree-sample,njerrywerry/spree,groundctrl/spree,edgward/spree,abhishekjain16/spree,firman/spree,bonobos/solidus,softr8/spree,softr8/spree,Lostmyname/spree,jeffboulet/spree,forkata/solidus,project-eutopia/spree,madetech/spree,bricesanchez/spree,grzlus/solidus,sliaquat/spree,ahmetabdi/spree,welitonfreitas/spree,NerdsvilleCEO/spree,firman/spree,delphsoft/spree-store-ballchair,radarseesradar/spree,patdec/spree,pervino/solidus,piousbox/spree,jsurdilla/solidus,abhishekjain16/spree,jspizziri/spree,Senjai/spree,xuewenfei/solidus,jhawthorn/spree,volpejoaquin/spree,shekibobo/spree,moneyspyder/spree,yiqing95/spree,watg/spree,ckk-scratch/solidus,athal7/solidus,azclick/spree,woboinc/spree,dafontaine/spree,pervino/solidus,CJMrozek/spree,caiqinghua/spree,JuandGirald/spree,calvinl/spree,Hates/spree,tomash/spree,scottcrawford03/solidus,azranel/spree,Senjai/spree,jordan-brough/spree,caiqinghua/spree,imella/spree,SadTreeFriends/spree,Senjai/solidus,jeffboulet/spree,lsirivong/spree,KMikhaylovCTG/spree,TrialGuides/spree,robodisco/spree,locomotivapro/spree,jhawthorn/spree,jsurdilla/solidus,knuepwebdev/FloatTubeRodHolders,calvinl/spree,omarsar/spree,vinsol/spree,raow/spree,orenf/spree,assembledbrands/spree,lyzxsc/spree,devilcoders/solidus,patdec/spree,grzlus/spree,azclick/spree,gregoryrikson/spree-sample,project-eutopia/spree,FadliKun/spree,delphsoft/spree-store-ballchair,shioyama/spree,scottcrawford03/solidus,Hates/spree,thogg4/spree,pulkit21/spree,beni55/spree,PhoenixTeam/spree_phoenix,progsri/spree,agient/agientstorefront,vinayvinsol/spree,beni55/spree,raow/spree,mindvolt/spree,volpejoaquin/spree,devilcoders/solidus,FadliKun/spree,sideci-sample/sideci-sample-spree,APohio/spree,yushine/spree,wolfieorama/spree,thogg4/spree,sfcgeorge/spree,JDutil/spree,azclick/spree,athal7/solidus,alvinjean/spree,JuandGirald/spree,berkes/spree,jasonfb/spree,SadTreeFriends/spree,surfdome/spree,lzcabrera/spree-1-3-stable,ujai/spree,HealthWave/spree,jspizziri/spree,gautamsawhney/spree,carlesjove/spree,Lostmyname/spree,shekibobo/spree,camelmasa/spree,Senjai/solidus,pervino/spree,njerrywerry/spree,berkes/spree,madetech/spree,rbngzlv/spree,reidblomquist/spree,Antdesk/karpal-spree,vcavallo/spree,odk211/spree,TimurTarasenko/spree,orenf/spree,njerrywerry/spree,Arpsara/solidus,adaddeo/spree,AgilTec/spree,zamiang/spree,adaddeo/spree,fahidnasir/spree,Hawaiideveloper/shoppingcart,sfcgeorge/spree,TrialGuides/spree,ckk-scratch/solidus,maybii/spree,hifly/spree,Kagetsuki/spree,NerdsvilleCEO/spree,project-eutopia/spree,archSeer/spree,thogg4/spree,lsirivong/spree,jimblesm/spree,DarkoP/spree,ayb/spree,KMikhaylovCTG/spree,JuandGirald/spree,bricesanchez/spree,assembledbrands/spree,camelmasa/spree,kewaunited/spree,locomotivapro/spree,CiscoCloud/spree,jparr/spree,trigrass2/spree,richardnuno/solidus,RatioClothing/spree,gautamsawhney/spree,rbngzlv/spree,lsirivong/solidus,alejandromangione/spree,ramkumar-kr/spree,locomotivapro/spree,jeffboulet/spree,jsurdilla/solidus,bonobos/solidus,dafontaine/spree,assembledbrands/spree,volpejoaquin/spree,jordan-brough/solidus,CJMrozek/spree,CJMrozek/spree,moneyspyder/spree,karlitxo/spree,sunny2601/spree,shekibobo/spree,Antdesk/karpal-spree,ujai/spree,biagidp/spree,kewaunited/spree,cutefrank/spree,dandanwei/spree,freerunningtech/spree,odk211/spree,rajeevriitm/spree,dafontaine/spree,Mayvenn/spree,kitwalker12/spree,locomotivapro/spree,imella/spree,kewaunited/spree,radarseesradar/spree,kitwalker12/spree,Migweld/spree,joanblake/spree,njerrywerry/spree,TrialGuides/spree,dafontaine/spree,dotandbo/spree,miyazawatomoka/spree,karlitxo/spree,moneyspyder/spree,derekluo/spree,imella/spree,bricesanchez/spree,grzlus/solidus,CJMrozek/spree,edgward/spree,FadliKun/spree,xuewenfei/solidus,alepore/spree,softr8/spree,vmatekole/spree,radarseesradar/spree,devilcoders/solidus,mindvolt/spree,Hates/spree,sliaquat/spree,firman/spree,Hawaiideveloper/shoppingcart,vinsol/spree,robodisco/spree,jaspreet21anand/spree,firman/spree,piousbox/spree,useiichi/spree,judaro13/spree-fork,StemboltHQ/spree,Migweld/spree,softr8/spree,CiscoCloud/spree,reidblomquist/spree,Arpsara/solidus,vcavallo/spree,pjmj777/spree,hoanghiep90/spree,Lostmyname/spree,derekluo/spree,ujai/spree,edgward/spree,sliaquat/spree,Kagetsuki/spree,priyank-gupta/spree,nooysters/spree,Engeltj/spree,CiscoCloud/spree,surfdome/spree,brchristian/spree,mleglise/spree,caiqinghua/spree,AgilTec/spree,nooysters/spree,useiichi/spree,quentinuys/spree,richardnuno/solidus,orenf/spree,jspizziri/spree,shaywood2/spree,bjornlinder/Spree,jimblesm/spree,sunny2601/spree,vinsol/spree,Antdesk/karpal-spree,groundctrl/spree,siddharth28/spree,lsirivong/solidus,cutefrank/spree,lyzxsc/spree,vcavallo/spree,rakibulislam/spree,dandanwei/spree,JDutil/spree,lzcabrera/spree-1-3-stable,jasonfb/spree,ayb/spree,jaspreet21anand/spree,alepore/spree,richardnuno/solidus,bjornlinder/Spree,pervino/solidus,siddharth28/spree,useiichi/spree