* Setup simple share extension
* Switch the app url scheme to be the full bundle identifier
* Setup a share extension that show a SwiftUI view, uses rust tracing and redirects to the hosting aplication
* Move media as json through the custom scheme into the main app and deep link into the media upload preview screen
* Fix message forwarding and global search screen room summary provider filtering.
* Tweak the message forwarding and global search screen designs.
* Add a room selection screen to use after receiving a share request from the share extension
* Fix share extension entitlements
* Share the temporary directory between the main app and the extensions; rename the caches one.
* Remove the no longer needed notification avatar flipping fix.
* Extract the placeholder avatar image generator from the NSE
* Nest `AvatarSize` within the new `Avatars` enum
* Donate an `INSendMessageIntent` to the system every time we send a message so they appear as share suggestions
* Support suggestions in the share extension itself
* Improve sharing animations and fix presentation when room already on the stack
* Clear all routes when sharing without a preselected room.
* Fix broken unit tests
* Various initial tweaks following code review.
* Correctly clean up and dismiss the share extension for all paths.
* Move the share extension path to a constants enum
* Rename UserSessionFlowCoordinator specific share extension states and events
* Add UserSession and Room flow coordinator share route tests
* Tweak the share extension logic.
* Update the SDK.
* Fix API breaks on send failures and propagate the new type.
* Handle new SDK ShieldState.
* Set up the ClientBuilder's `cachePath` option.
* Delete the cacheDirectory during logout/clearCache.
* Add unit tests for RestorationToken decoding and SessionDirectories generation.
