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.

AccessibilityTests/Sources/GeneratedAccessibilityTests.swift

@@ -623,6 +623,14 @@ extension AccessibilityTests {
         try await performAccessibilityAudit(named: "SoftLogoutScreen_Previews")
     }
 
+    func testSpaceAddRoomsScreenSelectedItem() async throws {
+        try await performAccessibilityAudit(named: "SpaceAddRoomsScreenSelectedItem_Previews")
+    }
+
+    func testSpaceAddRoomsScreen() async throws {
+        try await performAccessibilityAudit(named: "SpaceAddRoomsScreen_Previews")
+    }
+
     func testSpaceHeaderTopicSheetView() async throws {
         try await performAccessibilityAudit(named: "SpaceHeaderTopicSheetView_Previews")
     }