Use official nvika package again
Update framework
Refactor `PlaylistItem` to allow `Beatmap` to be an interfaced type
Fix crash on gameplay startup if beatmap has no background
APIBeatmapSet.Beatmaps
IEnumerable
Fix a few more "maybe null" inspections
Fix editor context menu requiring two right-clicks to display
Upgrade to nvika 1.0.4
Enable nullable support on `BeatmapMetadata`
BeatmapSet
Seems to only happen in tests, but better safe than sorry.
IBeatmapInfo.Metadata
AudioFile
SoloSpectator
beatmap.BeatmapSet
PlaylistItem.APIBeatmap
PlaylistItem.Beatmap
IBeatmapInfo
BeatmapMetadata
APIBeatmap
BeatmapInfo
Fix beatmaps being exported with malformed filenames inside `.osz` zip files
Fix multiplayer text flow usages incorrectly wrapping text