* added foundation for custom notifications
* feat: add localizations for tone names
also, if available, include the pro sound in the element x sound list
* use a static file location to store the notification tone
and update the file at that location when selected
* if there's a problem previewing or setting the alert tone, toast the user with the error
* rename tone directory
* create NotificationToneManager to handle tone business logic
* conform to project formatting
* assign custom sound to actual notifications
* dry up notification generation in the nse
* add compilation condition for including notification alert tone and remove from share extension
* swift format had some opinions
* flatten the notification tone ui, removing system/elementx designations
* fix stored file url breaking due to sandbox path changes
* tone manager can import custom tones and provide a list of imported tones
* ui support for custom tones
* can delete custom imported tones
* sort the custom tones
* add additional preset sounds
* can choose caf files for custom sounds and fix location persistence issues
* store sound locations with relative links
this is a better solution than storing bookmarks since bookmark resolution can be variable and differ from freshly derived urls
* add docs for new notification features
* run tone conversion in background
* resolved several ai found issues
* added protocol and mocks for notification tone manager
* added tests for notification settings screen vm interactions with the tone manager
* add tests for notification tone manager
* rename element tone names per feedback
* move custom tone option to the top of the notification tone list
* rename Tone to Sound for consistency with Android
* remove additional bundled tones
* restore accidentally deleted Element Default sound file
* system alert tones are filtered by what's available on the system prior to finalizing the collection
* Add a couple more caf file conversion log statements
* Simplify the notification sound conversion logic
* Update notification sound strings in sync with Android
* update xcodeproj after rebase
* remove conditional compilation and include NotificationAlertSound in share extension
* Use AudioPlayer instead of custom tone previewer and remove the previewer
* rename NotificationTone
* Consolidate and move errors to top of NotificationToneManager
* tone manager no longer depends on userinterfacecontroller
* Move static Tone properties to NotificationToneManager
* resolve view model initializer feedback
* update xcodeproj
* fatalerror when tone manager cannot init
* Remove banner icon on alert tone error
* fixup review feedback
* Moved URL handling to NotificationToneManager