Use case

There are occasions where multiple TextField (or more likely TextFormField) are used on a page and the UX could call for a custom error solution instead of each textfield displaying an error message. We want to maintain the validate logic that exists on the Form but allow the developer to decide whether each textfield should show its error text.

Proposal

Adding a new parameter to InputDecoration that tells TextFields they should not display their error text but still display any other error specific content (errorBorder, etc)

This would have to also work with the validate logic of TextFormField as well so that if a form is validated the error text can choose to not be displayed on each text field.

cc @justinmc
Similar to #52634