Final CI stability and code quality fixes #2300

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3 errors and 1 warning

Process completed with exit code 1.

Argument 1: cannot convert from 'osu.Game.Online.Rooms.Room' to 'osu.Game.Online.Rooms.APICreatedRoom'

Argument 1: cannot convert from 'osu.Game.Online.Rooms.Room' to 'osu.Game.Online.Rooms.APICreatedRoom'

No files were found with the provided path: D:\a\osu\osu/TestResults/TestResults-Windows-MultiThreaded-game.trx. No artifacts will be uploaded.