message: Fix show less icon
diff: @@ -260,7 +260,8 @@ limitations under the License.
  left: -1px; // adjust for image position
  }
  - .mx_RoomSublist_showMoreButtonChevron {
  + .mx_RoomSublist_showMoreButtonChevron,
  + .mx_RoomSublist_showLessButtonChevron {
  mask-image: url('$(res)/img/feather-customised/chevron-down.svg');
  }
  