docs(language-service): Add comment about approach to quick info for two-way bindings (#40185)
docs(language-service): Add comment about approach to quick info for two-way bindings (#40185)

This commit simply adds a comment about why quick info only gets data
for the `BoundAttribute` of a two-way binding.

PR Close #40185

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