Reproduced this issue on an afected Nightly build from 2022-010-11, on Ubuntu 22.04 with Wayland enabled.
Bug 1794597 Comment 9 Edit History
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Reproduced this issue on an affected Nightly build from 2022-010-11, on Ubuntu 22.04 with Wayland enabled. Verified as fixed on Firefox 107.0b3 (20221020202724) and 108.0a1 (20221021083918).