fix(ShadowCss): fix perf regression (#11420)
fix(ShadowCss): fix perf regression (#11420)

fixes #11371
meeroslav/angular,royling/angular,snaptech/angular,royling/angular,chrisse27/angular,souvikbasu/angular,manekinekko/angular,vicb/angular,ValtoFrameworks/Angular-2,e-hein/angular,chrisse27/angular,not-for-me/angular,gdi2290/angular,ultrasonicsoft/angular,mgiambalvo/angular,laskoviymishka/angular,SekibOmazic/angular,mprobst/angular,sjtrimble/angular,domusofsail/angular,chajath/angular,asnowwolf/angular,jonrimmer/angular,graveto/angular,trshafer/angular,pkozlowski-opensource/angular,mhevery/angular,JanStureNielsen/angular,vamsivarikuti/angular,NathanWalker/angular,angularbrasil/angular,itamark/angular,petebacondarwin/angular,LucasSloan/angular,naomiblack/angular,StephenFluin/angular,mgechev/angular,diestrin/angular,kegluneq/angular,snaptech/angular,ghetolay/angular,dejour/angular,alxhub/angular,IgorMinar/angular,ollie314/angular,rjamet/angular,vinagreti/angular,vikerman/angular,chalin/angular,IgorMinar/angular,ocombe/angular,mgechev/angular,dydek/angular,sarunint/angular,JanStureNielsen/angular,NathanWalker/angular,tbosch/angular,trshafer/angular,robwormald/angular,StephenFluin/angular,aboveyou00/angular,souvikbasu/angular,Mathou54/angular,JSMike/angular,graveto/angular,ValtoFrameworks/Angular-2,juleskremer/angular,mgiambalvo/angular,heathkit/angular,LucasSloan/angular,gjungb/angular,filipesilva/angular,jonrimmer/angular,chrisse27/angular,ValtoFrameworks/Angular-2,diestrin/angular,mhevery/angular,Flounn/angular,sarunint/angular,naomiblack/angular,ocombe/angular,shairez/angular,panuruj/angular,heathkit/angular,panuruj/angular,robwormald/angular,SaltyDH/angular,vicb/angular,kylecordes/angular,petebacondarwin/angular,tbosch/angular,Flounn/angular,nosovk/angular,jasonaden/angular,mzgol/angular,mprobst/angular,pk-karthik/framework-js-angular,royling/angular,aboveyou00/angular,JiaLiPassion/angular,vsavkin/angular,gjungb/angular,vinagreti/angular,ValtoFrameworks/Angular-2,mikeybyker/angular,mgechev/angular,SaltyDH/angular,kwalrath/angular,juristr/angular,nosovk/angular,xcaliber-tech/angular,petebacondarwin/angular,mhevery/angular,alxhub/angular,cironunes/angular,templth/angular,asnowwolf/angular,juristr/angular,Flounn/angular,mgol/angular,panuruj/angular,wKoza/angular,ultrasonicsoft/angular,mlaval/angular,rkirov/angular,vicb/angular,mgol/angular,ocombe/angular,dydek/angular,cexbrayat/angular,mlaval/angular,gnomeontherun/angular,gdi2290/angular,sjtrimble/angular,not-for-me/angular,cexbrayat/angular,petebacondarwin/angular,ValtoFrameworks/Angular-2,ghetolay/angular,vikerman/angular,kara/angular,JiaLiPassion/angular,juristr/angular,gdi2290/angular,shairez/angular,Mathou54/angular,pkozlowski-opensource/angular,rjamet/angular,cassand/angular,NathanWalker/angular,e-hein/angular,robwormald/angular,vicb/angular,manekinekko/angular,chajath/angular,mgol/angular,mprobst/angular,mgol/angular,awerlang/angular,manekinekko/angular,alxhub/angular,hansl/angular,AlmogShaul/angular,angularbrasil/angular,tbosch/angular,e-hein/angular,cironunes/angular,mhevery/angular,chuckjaz/angular,vandres/angular,cironunes/angular,mzgol/angular,kegluneq/angular,blesh/angular,dtoroshin/n2oDoc,tolemac/angular,awerlang/angular,IgorMinar/angular,ollie314/angular,IdeaBlade/angular,angular-indonesia/angular,kara/angular,LucasSloan/angular,angularbrasil/angular,dydek/angular,hansl/angular,mgol/angular,NathanWalker/angular,souvikbasu/angular,meeroslav/angular,xcaliber-tech/angular,pkozlowski-opensource/angular,chajath/angular,rkirov/angular,gkalpak/angular,matsko/angular,cironunes/angular,ocombe/angular,xcaliber-tech/angular,Toxicable/angular,Mathou54/angular,smartm0use/angular,shairez/angular,juristr/angular,mikeybyker/angular,kylecordes/angular,royling/angular,souvikbasu/angular,LucasSloan/angular,Mathou54/angular,JSMike/angular,rkirov/angular,jasonaden/angular,rjamet/angular,ghetolay/angular,itamark/angular,chrisse27/angular,Brocco/angular,angular/angular,vamsivarikuti/angular,filipesilva/angular,mgechev/angular,graveto/angular,kara/angular,graveto/angular,tbosch/angular,blesh/angular,vinagreti/angular,vicb/angular,mhevery/angular,asnowwolf/angular,juristr/angular,angularbrasil/angular,mikeybyker/angular,ollie314/angular,jasonaden/angular,kylecordes/angular,SaltyDH/angular,sarunint/angular,jonrimmer/angular,mlaval/angular,cexbrayat/angular,mikeybyker/angular,ultrasonicsoft/angular,asnowwolf/angular,alxhub/angular,sarunint/angular,angular-indonesia/angular,awerlang/angular,JanStureNielsen/angular,petebacondarwin/angular,kylecordes/angular,alexeagle/angular,dydek/angular,mlaval/angular,robwormald/angular,wKoza/angular,Brocco/angular,mgiambalvo/angular,gjungb/angular,awerlang/angular,StephenFluin/angular,meeroslav/angular,gjungb/angular,tolemac/angular,vikerman/angular,Toxicable/angular,royling/angular,tolemac/angular,gdi2290/angular,pkozlowski-opensource/angular,dsebastien/angular,dtoroshin/n2oDoc,dejour/angular,angular/angular,snaptech/angular,angularbrasil/angular,sjtrimble/angular,vikerman/angular,NathanWalker/angular,templth/angular,dsebastien/angular,a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