Change avatar to use Compound implementation (#11448)

* Move avatar to new compound implementation

* Make space avatars square

* Remove reference to the avatar initial CSS class

* remove references to mx_BaseAvatar_image

* Fixe test suites

* Fix accessbility violations

* Add ConfirmUserActionDialog test

* Fix tests

* Add FacePile test

* Fix items clipping in members list

* Fix user info avatar sizing

* Fix tests

test/components/views/elements/FacePile-test.tsx

@@ -0,0 +1,31 @@
+/*
+Copyright 2023 The Matrix.org Foundation C.I.C.
+
+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.
+*/
+
+import { render } from "@testing-library/react";
+import React from "react";
+
+import FacePile from "../../../../src/components/views/elements/FacePile";
+import { mkRoomMember } from "../../../test-utils";
+
+describe("<FacePile />", () => {
+    it("renders with a tooltip", () => {
+        const member = mkRoomMember("123", "456", "join");
+
+        const { asFragment } = render(
+            <FacePile members={[member]} size="36px" overflow={false} tooltip={<>tooltip</>} />,
+        );
+
+        expect(asFragment()).toMatchSnapshot();
+    });
+});