refactor(language-service): Move two-way binding logic to visitBoundEvent (#38985)
refactor(language-service): Move two-way binding logic to visitBoundEvent (#38985)

Instead of doing all sorts of checks in the `visit()` method, move checks
that are specific to `BoundEvent` to the `visitBoundEvent()` method.

PR Close #38985

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