[css mode] When indenting, properly pop off prop context before closing brace
[css mode] When indenting, properly pop off prop context before closing brace

Closes #2162

pinbe/CodeMirror,elisee/CodeMirror,rrandom/CodeMirror,sekcheong/CodeMirror,Aliccer/CodeMirror,vincentwoo/CodeMirror,kangkot/CodeMirror,wingify/CodeMirror,sekcheong/CodeMirror,gkoberger/CodeMirror,Dominator008/CodeMirror,Navaneethsen/CodeMirror,karevn/CodeMirror,TDaglis/CodeMirror,axter/CodeMirror,gkoberger/CodeMirror,antimatter15/CodeMirror,DustinH/CodeMirror,pjkui/CodeMirror,kolya-ay/CodeMirror,grzegorzmazur/CodeMirror,Dominator008/CodeMirror,adobe/CodeMirror2,ksanaforge/CodeMirror,kk9599/CodeMirror,NumbersInternational/CodeMirror,KamranMackey/CodeMirror,cintiamh/CodeMirror,jayaprabhakar/CodeMirror,Icenium/CodeMirror,hccampos/CodeMirror,AlanWasTaken/codemirror,ficristo/CodeMirror,rasata/CodeMirror,Ermlab/CodeMirror,ejgallego/CodeMirror,bgrins/CodeMirror,nightwing/CodeMirror,ssxxue/CodeMirror,symbla/CodeMirror,qweasd1/CodeMirror,pabloferz/CodeMirror,mtaran-google/CodeMirror,kk9599/CodeMirror,bocharsky-bw/CodeMirror,cintiamh/CodeMirror,melpon/CodeMirror,AlanWasTaken/codemirror,isdampe/CodeMirror,flyskyko/CodeMirror,jessegrosjean/CodeMirror,fmoliveira/CodeMirror,ThebingServices/CodeMirror,systay/CodeMirror,NumbersInternational/CodeMirror,mizchi/CodeMirror,dbarnett/CodeMirror,trumanliu/CodeMirror,gkoberger/CodeMirror,anthonygego/CodeMirror,isdampe/CodeMirror,amshali/CodeMirror,NeZaMy/CodeMirror2,cintiamh/CodeMirror,EasonYi/CodeMirror,djadmin/CodeMirror,karthikeyansam/CodeMirror,pabloferz/CodeMirror,Allenice/CodeMirror,InternetGuru/CodeMirror,dperetti/CodeMirror,r7kamura/CodeMirror,crazy4chrissi/CodeMirror,abdelouahabb/CodeMirror,d0liver/CodeMirror,tpphu/CodeMirror,DustinH/CodeMirror,sourcelair/CodeMirror,davidpham87/CodeMirror,mightyguava/CodeMirror,Jisuanke/CodeMirror,ssxxue/CodeMirror,pjkui/CodeMirror,qiankun007/CodeMirror,apatawari/CodeMirror,hccampos/CodeMirror,Allenice/CodeMirror,bluesh55/CodeMirror,abdelouahabb/CodeMirror,belph/CodeMirror,dperetti/CodeMirror,EasonYi/CodeMirror,pinbe/CodeMirror,sekcheong/CodeMirror,notepadqq/CodeMirror,bocharsky-bw/CodeMirror,pjkui/CodeMirror,INTELOGIE/CodeMirror,thomasjm/CodeMirror,kolya-ay/CodeMirror,jkaplon/CodeMirror,adobe/CodeMirror2,NumbersInternational/CodeMirror,kerabromsmu/CodeMirror,bgrins/CodeMirror,dudb/CodeMirror,bocharsky-bw/CodeMirror,mihailik/CodeMirror,skylarkcob/CodeMirror,CartoDB/CodeMirror,systay/CodeMirror,InternetGuru/CodeMirror,INTELOGIE/CodeMirror,SidPresse/CodeMirror,Allenice/CodeMirror,pinbe/CodeMirror,nawroth/CodeMirror,NeZaMy/CodeMirror2,tpphu/CodeMirror,amshali/CodeMirror,shiren/CodeMirror,happibum/CodeMirror-main,kerabromsmu/CodeMirror,michaelerobertsjr/CodeMirror,apatawari/CodeMirror,agendor/CodeMirror,jayaprabhakar/CodeMirror,namin/CodeMirror,anthonygego/CodeMirror,belph/CodeMirror,amsul/CodeMirror,Ermlab/CodeMirror,apatawari/CodeMirror,mightyguava/CodeMirror,SidPresse/CodeMirror,mizchi/CodeMirror,adobe/CodeMirror2,ksanaforge/CodeMirror,Aliccer/CodeMirror,kuangyeheng/CodeMirror,ZombieHippie/CodeMirror,wbinnssmith/CodeMirror,crazy4chrissi/CodeMirror,d0liver/CodeMirror,bfrohs/CodeMirror,philuchansky/CodeMirror,alur/CodeMirror,hackmdio/CodeMirror,Navaneethsen/CodeMirror,jkaplon/CodeMirror,TechnicalPursuit/CodeMirror,manderson23/CodeMirror,anthonygego/CodeMirror,fivetran/CodeMirror,vanloswang/CodeMirror,qweasd1/CodeMirror,amsul/CodeMirror,davidpham87/CodeMirror,kerabromsmu/CodeMirror,mightyguava/CodeMirror,ficristo/CodeMirror,nightwing/CodeMirror,shiren/CodeMirror,TDaglis/CodeMirror,philuchansky/CodeMirror,fivetran/CodeMirror,wingify/CodeMirror,ssxxue/CodeMirror,GerHobbelt/CodeMirror2,ZombieHippie/CodeMirror,kevinushey/CodeMirror,dbarnett/CodeMirror,jessegrosjean/CodeMirror,skylarkcob/CodeMirror,djadmin/CodeMirror,wbinnssmith/CodeMirror,bfrohs/CodeMirror,tpphu/CodeMirror,amshali/CodeMirror,INTELOGIE/CodeMirror,jpolitz/CodeMirror,rustemferreira/CodeMirror,joshterrell805-historic/CodeMirror,fmoliveira/CodeMirror,sanyaade-iot/CodeMirror,buchslava/CodeMirror,Jisuanke/CodeMirror,shiren/CodeMirror,schanzer/CodeMirror,xeronith/CodeMirror,isdampe/CodeMirror,bluesh55/CodeMirror,djadmin/CodeMirror,dudb/CodeMirror,codio/CodeMirror,abdelouahabb/CodeMirror,symbla/CodeMirror,TDaglis/CodeMirror,camellhf/CodeMirror,kuangyeheng/CodeMirror,codio/CodeMirror,pabloferz/CodeMirror,increpare/CodeMirror,sanyaade-iot/CodeMirror,thomasjm/CodeMirror,Jisuanke/CodeMirror,trumanliu/CodeMirror,increpare/CodeMirror,manderson23/CodeMirror,rrandom/CodeMirror,DustinH/CodeMirror,davidpham87/CodeMirror,NeZaMy/CodeMirror2,sourcelair/CodeMirror,r7kamura/CodeMirror,matthewbauer/CodeMirror,flyskyko/CodeMirror,elisee/CodeMirror,webida/CodeMirror,buchslava/CodeMirror,ksanaforge/CodeMirror,kevinushey/CodeMirror,jkaplon/CodeMirror,kangkot/CodeMirror,kuangyeheng/CodeMirror,camellhf/CodeMirror,notepadqq/CodeMirror,axter/CodeMirror,ashmind/CodeMirror,TechnicalPursuit/CodeMirror,bfrohs/CodeMirror,trumanliu/CodeMirror,antimatter15/CodeMirror,bgrins/CodeMirror,mtaran-google/CodeMirror,antimatter15/CodeMirror,sgoo/CodeMirror,mtaran-google/CodeMirror,Dominator008/CodeMirror,Icenium/CodeMirror,matthewbauer/CodeMirror,manderson23/CodeMirror,loopspace/CodeMirror,MarcelGerber/CodeMirror,Icenium/CodeMirror,vincentwoo/CodeMirror,camellhf/CodeMirror,ThebingServices/CodeMirror,karevn/CodeMirror,TechnicalPursuit/CodeMirror,karthikeyansam/CodeMirror,morrisonwudi/CodeMirror,matthewbauer/CodeMirror,symbla/CodeMirror,skylarkcob/CodeMirror,sgoo/CodeMirror,mihailik/CodeMirror,grzegorzmazur/CodeMirror,vanloswang/CodeMirror,morrisonwudi/CodeMirror,ashmind/CodeMirror,karevn/CodeMirror,thomasjm/CodeMirror,ejgallego/CodeMirror,rasata/CodeMirror,mizchi/CodeMirror,kk9599/CodeMirror,xeronith/CodeMirror,rustemferreira/CodeMirror,happibum/CodeMirror-main,fmoliveira/CodeMirror,cben/CodeMirror,MarcelGerber/CodeMirror,r7kamura/CodeMirror,agendor/CodeMirror,webida/CodeMirror,axter/CodeMirror,happibum/CodeMirror-main,loopspace/CodeMirror,ficristo/CodeMirror,melpon/CodeMirror,loopspace/CodeMirror,KamranMackey/CodeMirror,sanyaade-iot/CodeMirror,mihailik/CodeMirror,crazy4chrissi/CodeMirror,jessegrosjean/CodeMirror,philuchansky/CodeMirror,namin/CodeMirror,bluesh55/CodeMirror,michaelerobertsjr/CodeMirror,alur/CodeMirror,jayaprabhakar/CodeMirror,AlanWasTaken/codemirror,ejgallego/CodeMirror,ZombieHippie/CodeMirror,systay/CodeMirror,nightwing/CodeMirror,dperetti/CodeMirror,Aliccer/CodeMirror,schanzer/CodeMirror,KamranMackey/CodeMirror,webida/CodeMirror,melpon/CodeMirror,kangkot/CodeMirror,namin/CodeMirror,supriyantomaftuh/CodeMirror,MarcelGerber/CodeMirror,vanloswang/CodeMirror,supriyantomaftuh/CodeMirror,ThebingServices/CodeMirror,ashmind/CodeMirror,hackmdio/CodeMirror,webida/CodeMirror,elisee/CodeMirror,increpare/CodeMirror,grzegorzmazur/CodeMirror,notepadqq/CodeMirror,karthikeyansam/CodeMirror,nawroth/CodeMirror,buchslava/CodeMirror,EasonYi/CodeMirror,schanzer/CodeMirror,cben/CodeMirror,hackmdio/CodeMirror,Navaneethsen/CodeMirror,dudb/CodeMirror,rustemferreira/CodeMirror,alur/CodeMirror,jpolitz/CodeMirror,morrisonwudi/CodeMirror,rasata/CodeMirror,SidPresse/CodeMirror,qiankun007/CodeMirror,CartoDB/CodeMirror,qiankun007/CodeMirror,dbarnett/CodeMirror,InternetGuru/CodeMirror,vincentwoo/CodeMirror,michaelerobertsjr/CodeMirror,wingify/CodeMirror,sourcelair/CodeMirror,rrandom/CodeMirror,agendor/CodeMirror,jpolitz/CodeMirror,GerHobbelt/CodeMirror2,hccampos/CodeMirror,d0liver/CodeMirror,nawroth/CodeMirror,qweasd1/CodeMirror,codio/CodeMirror,joshterrell805-historic/CodeMirror,belph/CodeMirror,supriyantomaftuh/CodeMirror,xeronith/CodeMirror,flyskyko/CodeMirror