fix(aio): add missing leading slash on firebase redirect (#21761)
fix(aio): add missing leading slash on firebase redirect (#21761)

PR Close #21761

gkalpak/angular,wKoza/angular,gnomeontherun/angular,brandonroberts/angular,angular-indonesia/angular,juristr/angular,gnomeontherun/angular,juristr/angular,juristr/angular,mgechev/angular,sarunint/angular,gkalpak/angular,mlaval/angular,filipesilva/angular,mgiambalvo/angular,chuckjaz/angular,ultrasonicsoft/angular,Brocco/angular,kara/angular,NathanWalker/angular,mzgol/angular,rkirov/angular,dsebastien/angular,chuckjaz/angular,mgechev/angular,Brocco/angular,ocombe/angular,LucasSloan/angular,gdi2290/angular,petebacondarwin/angular,blesh/angular,Toxicable/angular,chuckjaz/angular,heathkit/angular,kegluneq/angular,wKoza/angular,mgol/angular,snaptech/angular,StephenFluin/angular,blesh/angular,robwormald/angular,LucasSloan/angular,vikerman/angular,StephenFluin/angular,heathkit/angular,cironunes/angular,IgorMinar/angular,alxhub/angular,ocombe/angular,shairez/angular,ValtoFrameworks/Angular-2,cironunes/angular,mhevery/angular,mgiambalvo/angular,kara/angular,mprobst/angular,shairez/angular,vicb/angular,gnomeontherun/angular,IdeaBlade/angular,mgechev/angular,gdi2290/angular,Toxicable/angular,matsko/angular,StephenFluin/angular,NathanWalker/angular,kegluneq/angular,heathkit/angular,matsko/angular,cironunes/angular,mzgol/angular,wKoza/angular,vicb/angular,ultrasonicsoft/angular,vicb/angular,IdeaBlade/angular,jasonaden/angular,shairez/angular,kara/angular,mlaval/angular,dsebastien/angular,jasonaden/angular,filipesilva/angular,ValtoFrameworks/Angular-2,snaptech/angular,trshafer/angular,chuckjaz/angular,sarunint/angular,filipesilva/angular,kara/angular,StephenFluin/angular,manekinekko/angular,jonrimmer/angular,kara/angular,NathanWalker/angular,IgorMinar/angular,hansl/angular,trshafer/angular,jonrimmer/angular,ultrasonicsoft/angular,robwormald/angular,Toxicable/angular,mgechev/angular,petebacondarwin/angular,vicb/angular,NathanWalker/angular,manekinekko/angular,juristr/angular,sarunint/angular,NathanWalker/angular,ocombe/angular,manekinekko/angular,mhevery/angular,brandonroberts/angular,robwormald/angular,matsko/angular,snaptech/angular,brandonroberts/angular,alxhub/angular,jonrimmer/angular,gdi2290/angular,LucasSloan/angular,ValtoFrameworks/Angular-2,ultrasonicsoft/angular,cironunes/angular,juristr/angular,NathanWalker/angular,kegluneq/angular,filipesilva/angular,cironunes/angular,dsebastien/angular,IdeaBlade/angular,mgiambalvo/angular,alexeagle/angular,trshafer/angular,petebacondarwin/angular,ValtoFrameworks/Angular-2,mlaval/angular,chuckjaz/angular,gkalpak/angular,heathkit/angular,vicb/angular,mprobst/angular,mgechev/angular,hansl/angular,brandonroberts/angular,hansl/angular,snaptech/angular,mgol/angular,IgorMinar/angular,heathkit/angular,trshafer/angular,matsko/angular,robwormald/angular,kara/angular,hansl/angular,mprobst/angular,juristr/angular,mprobst/angular,matsko/angular,mhevery/angular,vicb/angular,jasonaden/angular,jasonaden/angular,vikerman/angular,mlaval/angular,kegluneq/angular,angular-indonesia/angular,jonrimmer/angular,ultrasonicsoft/angular,alxhub/angular,shairez/angular,mzgol/angular,JiaLiPassion/angular,chuckjaz/angular,trshafer/angular,wKoza/angular,jonrimmer/angular,angular/angular,angular/angular,rkirov/angular,alexeagle/angular,mprobst/angular,kegluneq/angular,rkirov/angular,petebacondarwin/angular,mgol/angular,gkalpak/angular,brandonroberts/angular,JiaLiPassion/angular,vikerman/angular,snaptech/angular,Brocco/angular,Toxicable/angular,gdi2290/angular,wKoza/angular,robwormald/angular,dsebastien/angular,ocombe/angular,IgorMinar/angular,mhevery/angular,alexeagle/angular,mgol/angular,vikerman/angular,dsebastien/angular,jasonaden/angular,angular-indonesia/angular,vikerman/angular,Toxicable/angular,heathkit/angular,Brocco/angular,IgorMinar/angular,hansl/angular,mgol/angular,LucasSloan/angular,sarunint/angular,ocombe/angular,blesh/angular,mgiambalvo/angular,IdeaBlade/angular,gnomeontherun/angular,manekinekko/angular,angular/angular,mzgol/angular,LucasSloan/angular,mhevery/angular,hansl/angular,rkirov/angular,alexeagle/angular,jonrimmer/angular,alxhub/angular,rkirov/angular,mzgol/angular,petebacondarwin/angular,Brocco/angular,JiaLiPassion/angular,gdi2290/angular,blesh/angular,vikerman/angular,IdeaBlade/angular,snaptech/angular,manekinekko/angular,mprobst/angular,Brocco/angular,ultrasonicsoft/angular,trshafer/angular,manekinekko/angular,jasonaden/angular,mgiambalvo/angular,angular/angular,blesh/angular,LucasSloan/angular,robwormald/angular,rkirov/angular,brandonroberts/angular,ocombe/angular,IgorMinar/angular,cironunes/angular,dsebastien/angular,petebacondarwin/angular,ValtoFrameworks/Angular-2,shairez/angular,mzgol/angular,mlaval/angular,JiaLiPassion/angular,filipesilva/angular,mgol/angular,StephenFluin/angular,wKoza/angular,Toxicable/angular,kegluneq/angular,sarunint/angular,gdi2290/angular,sarunint/angular,alexeagle/angular,mhevery/angular,alxhub/angular,alexeagle/angular,angular-indonesia/angular