Invite people in an existing room (#915)

* Handle power levels

* Add “invite” button in RoomMembersListScreen

* Refactor DI in RoomDetailsScreenCoordinator

* Add navigation to “select people” coordinator

* Add InviteUsersScreenRoomContext

* Add invite user by id api

* Updare InviteUsersScreenRoomContext

* Support disabled state on FormButtonStyles

* Handle membership in UserProfileCell

* Fix conflicts

* Refactor RoomContext -> RoomType

* Refactor UserProfileCell

* Add invite action

* Setup navigation to user flow coordinator

* Add invite logic

* Fix test build errors

* Address comments

* Fix localisations

* Update required state

* Handle error

* Move invite logic in RoomDetailsScreenCoordinator

* Add navigation from room’s members list

* Fix UTs

* Fix missing display name in RoomMemberDetails

* Add user indicator

* Add feature flag

* Add RoomDetailsViewModel UTs

* Add room details ui tests

* Add InviteUsersViewModelTests UTs

* Add UI tests

* Update UI tests

* Empty commit

ElementX/Sources/Services/Room/RoomProxyProtocol.swift

@@ -35,6 +35,7 @@ enum RoomProxyError: Error {
     case failedLeavingRoom
     case failedAcceptingInvite
     case failedRejectingInvite
+    case failedInvitingUser
 }
 
 @MainActor
@@ -105,6 +106,8 @@ protocol RoomProxyProtocol {
     
     func fetchDetails(for eventID: String)
     
+    func invite(userID: String) async -> Result<Void, RoomProxyError>
+    
     var invitedMembersCount: UInt { get }
     
     var joinedMembersCount: UInt { get }