Implement the new invite modal designs

test/utils.ts

@@ -0,0 +1,24 @@
+/*
+Copyright 2023 New Vector Ltd
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+export function withFakeTimers(continuation: () => void): void {
+  jest.useFakeTimers();
+  try {
+    continuation();
+  } finally {
+    jest.useRealTimers();
+  }
+}