[OUDS] use aria-invalid in invalid form elements

[Aniort]

Prerequisites

• I have searched for duplicate or closed issues
• I have validated any HTML to avoid common problems
• I have read the contributing guidelines

Describe the issue

we must use aria-invalid="true" when a form element is detected as invalid to tell the AT users (in particular, screen reader users) that the form element is invalid? SEE https://w3c.github.io/aria/#aria-invalid and https://developer.mozilla.org/fr/docs/Web/Accessibility/ARIA/Reference/Attributes/aria-invalid

Reduced test cases

no

What operating system(s) are you seeing the problem on?

Windows

What browser(s) are you seeing the problem on?

Firefox

What version of Boosted are you using?

last