Deprecated dashboard widget ID provided: \"deckTomorrow\"

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Just noticed on 31.0.7:

{
  "reqId": "LBLbHkKiL8D4szGdhBgX",
  "level": 0,
  "time": "2025-07-11T21:00:47+02:00",
  "remoteAddr": "...",
  "user": "marcel.mueller",
  "app": "no app in context",
  "method": "GET",
  "url": "/ocs/v2.php/apps/dashboard/api/v2/widget-items?widgets%5B%5D=spreed",
  "message": "Deprecated dashboard widget ID provided: \"deckTomorrow\" [ OCA\\Deck\\Dashboard\\DeckWidgetTomorrow ]. Please use a-z, 0-9, - and _ only, starting with a-z",
  "userAgent": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36",
  "version": "31.0.7.1",
  "data": []
}

Start by locating OCA\Deck\Dashboard\DeckWidgetTomorrow and the dashboard widget-items API mentioned in the report. Reproduce or trace the request using the supplied log details, then determine why the deprecated ID is still provided and verify that the warning no longer appears without breaking widget loading.