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

src/components/views/rooms/RoomList.tsx

@@ -564,9 +564,7 @@ export default class RoomList extends React.PureComponent<IProps, IState> {
                         name,
                         avatarUrl: room.avatar_url,
                     }}
-                    width={32}
-                    height={32}
-                    resizeMethod="crop"
+                    size="32px"
                 />
             );
             const viewRoom = (ev: SyntheticEvent): void => {