controlErrorsIgnore cannot be bound

[psenechal]

I'm submitting a...

[ ] Regression (a behavior that used to work and stopped working in a new release)
[ ] Bug report  
[ ] Performance issue
[X] Feature request
[ ] Documentation issue or request
[ ] Support request
[ ] Other... Please describe:

Current behavior

When using controlErrorsIgnore, it cannot be bound...and using in conjunction with controlErrorsAnchor causes a compile error. When defining tags individually, this works great, however, when using a loop to create options in a radio group, there isn't a way to add logic so that the first option has controlErrorsAnchor and the remaining options have controlErrorsIgnore.

Expected behavior

It would be nice if I could use something like [controlErrorsIgnore]="i !== 0" where i is the index of the item in the loop.

Minimal reproduction of the problem with instructions

What is the motivation / use case for changing the behavior?

Currently I have to define 2 inputs with an ngIf checking the index. ngIf="i === 0" for the controlErrorsAnchor directive and ngIf="i !== 0" for the controlErrorsIgnore directive

Environment

Angular version: 15.2.9

Browser:
- [ ] Chrome (desktop) version XX
- [ ] Chrome (Android) version XX
- [ ] Chrome (iOS) version XX
- [ ] Firefox version XX
- [X] Safari (desktop) version XX
- [ ] Safari (iOS) version XX
- [ ] IE version XX
- [ ] Edge version XX
 
For Tooling issues:
- Node version: 18.14.0
- Platform:  Mac

Others: