Help text margin is sometimes wrong when input text is valid
It seems that when the validity condition is matched exactly, the wrong margin-top is used for the help text, which can lead to layout shifting. This can be replicated in Storybook:
It may be that the story isn't written quite correctly, but that can also be replicated in GitLab itself on the approvals modal:
It shouldn't be possible to make the UI jump around by configuring the form input validity incorrectly.
This CSS rule is implicated.