docs(upgrade): expand upon change detection implications for downgraded components (#39100)
docs(upgrade): expand upon change detection implications for downgraded components (#39100)

PR Close #39100

ocombe/angular,gkalpak/angular,JiaLiPassion/angular,alxhub/angular,shairez/angular,alxhub/angular,manekinekko/angular,angular/angular,blesh/angular,angular/angular,brandonroberts/angular,mgechev/angular,mgechev/angular,gnomeontherun/angular,blesh/angular,brandonroberts/angular,ocombe/angular,brandonroberts/angular,gnomeontherun/angular,gnomeontherun/angular,angular-indonesia/angular,ocombe/angular,gnomeontherun/angular,IdeaBlade/angular,JiaLiPassion/angular,JiaLiPassion/angular,alxhub/angular,brandonroberts/angular,gkalpak/angular,IdeaBlade/angular,blesh/angular,angular/angular,gkalpak/angular,shairez/angular,ocombe/angular,manekinekko/angular,angular/angular,mgechev/angular,IdeaBlade/angular,mgechev/angular,ocombe/angular,shairez/angular,shairez/angular,blesh/angular,angular-indonesia/angular,manekinekko/angular,alxhub/angular,JiaLiPassion/angular,IdeaBlade/angular,manekinekko/angular,angular-indonesia/angular,manekinekko/angular,IdeaBlade/angular,brandonroberts/angular,blesh/angular,angular-indonesia/angular,alxhub/angular,mgechev/angular,shairez/angular,manekinekko/angular,gkalpak/angular,brandonroberts/angular,ocombe/angular