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/RoomInvite.tsx

@@ -177,8 +177,7 @@ export function showAnyInviteErrors(
                                             }
                                             name={name!}
                                             idName={user?.userId}
-                                            width={36}
-                                            height={36}
+                                            size="36px"
                                         />
                                     </div>
                                     <div className="mx_InviteDialog_tile_nameStack">