Invites list (#787)

* Setup invites SS window

* Add invites label in the home screen

* Add empty invtes list

* Setup navigation to invites list

* Inject invitesSummaryProvider

* Show invites

* Add InviteCell

* Refine InviteCell UI

* Push invites

* Amend SS configuration

* Add inviter in RoomProxyProtocol

* Add Invite model type

* Improve InviteCell

* Fix media provider injection

* Refine InviteCell

* Refine invite cell

* Add invites feature flag

* Try different SS config for invites

* Regiester invites view in configureViewsPostInitialSync

* Cleanup

* Start tests

* Cleanup code

* Add changelog.d file

* Add tests

* Handle canonical alias

* Add InvitesListScreen previews

* Add localisations and improve UI tests

* Add reference screenshots

* Cleanup code

* Fix UT build errors

* Refactor InvitesList -> Invites

* Apply pr comments

* Remove reduntant @MainActor

* Naming cleanup

* Fix InvitesScreenCell.title

* Add accept/decline InvitesViewAction

* Revert Package.resolved

* Add warning in InvitesScreenCell

* Improve PlaceholderAvatarImage

* Record snapshots again

* Refactor Invite -> InvitesRoomDeatils

* Rename identifier in PlaceholderAvatarImage

ElementX/Sources/Services/Room/RoomProxyProtocol.swift

@@ -88,6 +88,8 @@ protocol RoomProxyProtocol {
     func leaveRoom() async -> Result<Void, RoomProxyError>
     
     func updateMembers() async
+    
+    func inviter() async -> RoomMemberProxyProtocol?
 }
 
 extension RoomProxyProtocol {