"Mode" Overlay not visible in landscape

🚧 THIS IS A TICKET MIGRATED FROM UPVOTY. The original ticket and comments will be available for a limited time over at:
https://abrp.upvoty.com/b/report-a-bug/mode-overlay-not-visible-in-landscape/
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When I hit Mode (Modus in the German UI) while in Landscape view, the UI gets dimmed and only a small white slice of the Mode overlay is visible at the top border of the screen.
In portrait view, the overly shows up just fine.