Implement the SpaceAddRoomsScreen. (#4951)

* Update proxies ready for adding rooms to a space.

- ClientProxy.recentlyVisitedRooms to take a filter and to return room proxies.
- Expose SpaceServiceProxy.addChildToSpace.

* Implement the SpaceAddRoomsScreen.

* Fix the designs of the selected carousels.

Add more snapshot tests for inviting users.

* Fix for screen using wrong avatar size.

ElementX/Sources/Services/Spaces/SpaceServiceProxy.swift

@@ -67,6 +67,15 @@ class SpaceServiceProxy: SpaceServiceProxyProtocol {
         }
     }
     
+    func addChild(_ childID: String, to spaceID: String) async -> Result<Void, SpaceServiceProxyError> {
+        do {
+            return try await .success(spaceService.addChildToSpace(childId: childID, spaceId: spaceID))
+        } catch {
+            MXLog.error("Failed to add child \(childID) to space \(spaceID)")
+            return .failure(.sdkError(error))
+        }
+    }
+    
     // MARK: - Private
     
     private func handleUpdates(_ updates: [SpaceListUpdate]) {

ElementX/Sources/Services/Spaces/SpaceServiceProxyProtocol.swift

@@ -23,4 +23,7 @@ protocol SpaceServiceProxyProtocol {
     func leaveSpace(spaceID: String) async -> Result<LeaveSpaceHandleProxy, SpaceServiceProxyError>
     /// Returns all the parent spaces of a child that user has joined.
     func joinedParents(childID: String) async -> Result<[SpaceServiceRoomProtocol], SpaceServiceProxyError>
+    
+    /// Adds a room (or space) as a child of another space.
+    func addChild(_ childID: String, to spaceID: String) async -> Result<Void, SpaceServiceProxyError>
 }