fix(select): improve screen reader announcement timing for validation errors #30723
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Issue number: internal
What is the current behavior?
Currently, when an error text is shown, it may not announce itself to voice assistants. This is because the way error text currently works is by always existing in the DOM, but being hidden when there is no error. When the error state changes, the error text is shown, but as far as the voice assistant can tell it's always been there and nothing has changed.
What is the new behavior?
We had to do this with a mutation observer and state because it's important in some frameworks, like Angular, that state changes to cause a re-render. This, combined with some minor aria changes, makes it so that when a field is declared invalid, it immediately announces the invalid state instead of waiting for the user to go back to the invalid field.
Does this introduce a breaking change?
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