* Add background app refresh support
* Cleanup: move methods around so delegates are implemented above privates and privates are ordered better
* Add discardableResult on the userSessionStore's refreshRestorationToken
* Adopt timeline item sender profiles for displaying user avatars and display names
* Prevent images from automatically being evicted from the in-memory cache when entering background
* Get rid of all the `urlString: String`s and start using proper URLs
* Add back manual display name loading as the sender profiles aren't working properly yet
* Implement a sender profile.
* Bump the RustSDK to v1.0.32-alpha
Co-authored-by: Doug <douglase@element.io>
* Fixes#361 - Reset everything if the app has been deleted since the last run
* Cleaned up and renamed the ElementSettings to ApplicationSettings. Removed its singleton and moved it to the service locator.
* Moved the ApplicationSettings to the Application folder
* Merged together the BuildSettings and ApplicationSettings
* Reset the UserDefaults too when resetting the application state
* Rename ServiceLocator.applicationSettings to just settings
* Fix indentation
* Rename ApplicationSettings to AppSettings
* Various tweaks following code review
* Fix unit tests
