Membership aware room routes (#2709)

* Remove the invites button when room list invites are enabled

* element-hq/element-x-ios/issues/2632 - Handle room permalinks based on their membership state and show the according room joining screens:
- modify the room flow coordinator to only take a roomID and be able to decide its own room flows (especially for unjoined rooms)
- add support for the new room preview API
- have RoomDirectorySearch go through the same paths

ElementX/Sources/Screens/RoomDirectorySearchScreen/RoomDirectorySearchScreenModels.swift

@@ -17,7 +17,7 @@
 import Foundation
 
 enum RoomDirectorySearchScreenViewModelAction {
-    case joined(roomID: String)
+    case select(roomID: String)
     case dismiss
 }
 
@@ -35,6 +35,6 @@ struct RoomDirectorySearchScreenViewStateBindings {
 
 enum RoomDirectorySearchScreenViewAction {
     case dismiss
-    case join(roomID: String)
+    case select(roomID: String)
     case reachedBottom
 }