Fixed performance issue with page permissions checker
Fixed performance issue with page permissions checker

iho/wagtail,gasman/wagtail,jorge-marques/wagtail,takeflight/wagtail,davecranwell/wagtail,chimeno/wagtail,taedori81/wagtail,m-sanders/wagtail,mayapurmedia/wagtail,WQuanfeng/wagtail,darith27/wagtail,takeflight/wagtail,mephizzle/wagtail,mikedingjan/wagtail,KimGlazebrook/wagtail-experiment,Klaudit/wagtail,jordij/wagtail,benemery/wagtail,janusnic/wagtail,Pennebaker/wagtail,mixxorz/wagtail,nilnvoid/wagtail,rsalmaso/wagtail,kurtrwall/wagtail,rjsproxy/wagtail,chrxr/wagtail,m-sanders/wagtail,kurtw/wagtail,taedori81/wagtail,chimeno/wagtail,chrxr/wagtail,timorieber/wagtail,quru/wagtail,mjec/wagtail,kurtw/wagtail,takeshineshiro/wagtail,wagtail/wagtail,serzans/wagtail,Pennebaker/wagtail,takeflight/wagtail,helenwarren/pied-wagtail,rjsproxy/wagtail,nimasmi/wagtail,thenewguy/wagtail,quru/wagtail,hanpama/wagtail,rsalmaso/wagtail,m-sanders/wagtail,Tivix/wagtail,jordij/wagtail,torchbox/wagtail,janusnic/wagtail,iansprice/wagtail,100Shapes/wagtail,nutztherookie/wagtail,rsalmaso/wagtail,nrsimha/wagtail,jordij/wagtail,hamsterbacke23/wagtail,hanpama/wagtail,zerolab/wagtail,wagtail/wagtail,Klaudit/wagtail,kaedroho/wagtail,davecranwell/wagtail,chrxr/wagtail,serzans/wagtail,KimGlazebrook/wagtail-experiment,nrsimha/wagtail,mixxorz/wagtail,nealtodd/wagtail,mephizzle/wagtail,inonit/wagtail,takeflight/wagtail,iho/wagtail,nrsimha/wagtail,nimasmi/wagtail,mephizzle/wagtail,benemery/wagtail,jordij/wagtail,iho/wagtail,janusnic/wagtail,Toshakins/wagtail,mephizzle/wagtail,kurtw/wagtail,mayapurmedia/wagtail,chimeno/wagtail,jnns/wagtail,rsalmaso/wagtail,stevenewey/wagtail,lojack/wagtail,mikedingjan/wagtail,torchbox/wagtail,benjaoming/wagtail,wagtail/wagtail,kurtrwall/wagtail,mikedingjan/wagtail,dresiu/wagtail,thenewguy/wagtail,inonit/wagtail,takeshineshiro/wagtail,FlipperPA/wagtail,iansprice/wagtail,marctc/wagtail,kaedroho/wagtail,mixxorz/wagtail,nimasmi/wagtail,JoshBarr/wagtail,gogobook/wagtail,benemery/wagtail,serzans/wagtail,mjec/wagtail,nutztherookie/wagtail,quru/wagtail,dresiu/wagtail,kurtrwall/wagtail,willcodefortea/wagtail,jnns/wagtail,darith27/wagtail,benemery/wagtail,timorieber/wagtail,taedori81/wagtail,Tivix/wagtail,rv816/wagtail,marctc/wagtail,inonit/wagtail,iansprice/wagtail,stevenewey/wagtail,torchbox/wagtail,WQuanfeng/wagtail,willcodefortea/wagtail,benjaoming/wagtail,KimGlazebrook/wagtail-experiment,bjesus/wagtail,gasman/wagtail,zerolab/wagtail,Pennebaker/wagtail,nutztherookie/wagtail,kaedroho/wagtail,thenewguy/wagtail,torchbox/wagtail,quru/wagtail,thenewguy/wagtail,nealtodd/wagtail,m-sanders/wagtail,rv816/wagtail,benjaoming/wagtail,davecranwell/wagtail,zerolab/wagtail,rjsproxy/wagtail,nutztherookie/wagtail,mikedingjan/wagtail,kurtrwall/wagtail,jnns/wagtail,Pennebaker/wagtail,Klaudit/wagtail,FlipperPA/wagtail,Toshakins/wagtail,mayapurmedia/wagtail,helenwarren/pied-wagtail,rjsproxy/wagtail,timorieber/wagtail,davecranwell/wagtail,mixxorz/wagtail,hanpama/wagtail,hamsterbacke23/wagtail,mjec/wagtail,rv816/wagtail,iansprice/wagtail,timorieber/wagtail,kurtw/wagtail,nilnvoid/wagtail,gasman/wagtail,rv816/wagtail,JoshBarr/wagtail,bjesus/wagtail,tangentlabs/wagtail,stevenewey/wagtail,darith27/wagtail,Klaudit/wagtail,darith27/wagtail,benjaoming/wagtail,inonit/wagtail,janusnic/wagtail,takeshineshiro/wagtail,Tivix/wagtail,gasman/wagtail,thenewguy/wagtail,mayapurmedia/wagtail,lojack/wagtail,tangentlabs/wagtail,hamsterbacke23/wagtail,nrsimha/wagtail,hanpama/wagtail,jorge-marques/wagtail,KimGlazebrook/wagtail-experiment,nimasmi/wagtail,kaedroho/wagtail,tangentlabs/wagtail,bjesus/wagtail,taedori81/wagtail,gasman/wagtail,nilnvoid/wagtail,jnns/wagtail,dresiu/wagtail,hamsterbacke23/wagtail,chrxr/wagtail,jorge-marques/wagtail,wagtail/wagtail,nealtodd/wagtail,WQuanfeng/wagtail,taedori81/wagtail,dresiu/wagtail,marctc/wagtail,zerolab/wagtail,gogobook/wagtail,serzans/wagtail,mixxorz/wagtail,nilnvoid/wagtail,dresiu/wagtail,chimeno/wagtail,Tivix/wagtail,takeshineshiro/wagtail,willcodefortea/wagtail,rsalmaso/wagtail,WQuanfeng/wagtail,chimeno/wagtail,mjec/wagtail,JoshBarr/wagtail,FlipperPA/wagtail,marctc/wagtail,zerolab/wagtail,willcodefortea/wagtail,JoshBarr/wagtail,jorge-marques/wagtail,bjesus/wagtail,FlipperPA/wagtail,gogobook/wagtail,lojack/wagtail,gogobook/wagtail,Toshakins/wagtail,helenwarren/pied-wagtail,100Shapes/wagtail,wagtail/wagtail,nealtodd/wagtail,kaedroho/wagtail,iho/wagtail,stevenewey/wagtail,Toshakins/wagtail,100Shapes/wagtail,jorge-marques/wagtail,tangentlabs/wagtail