Changement de propriété : le menu d'autocomplétion de l'utilisateur est masqué

When attempting to change the ownership of a post, the text entry box is partially obscured by a secret something making it difficult to see:

Once found and carefully selected, the results are not visible after typing the start of an existing username:

This is from iPhone/Safari.

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Seems the footer is a little too large

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duplicate Unable to change post owner using iOS18.5 with Safari or Chrome