message: fix avatar in edit mode
diff: @@ -179,13 +179,13 @@ limitations under the License.
  }
  .mx_RoomHeader_avatarPicker {
  - margin-top: 23px;
  position: relative;
  }
  .mx_RoomHeader_avatarPicker_edit {
  - margin-left: 16px;
  - margin-top: 4px;
  + position: absolute;
  + left: 16px;
  + top: 18px;
  }
  .mx_RoomHeader_avatarPicker_edit > label {
  