docs: update `lowercase` pipe example in "AngularJS to Angular" guide (#24588)
docs: update `lowercase` pipe example in "AngularJS to Angular" guide (#24588)

PR Close #24588

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