message: Delete fixed headerContainer height
diff: @@ -180,9 +180,6 @@ limitations under the License.
  // scroll jumps when they become sticky. However, that leaves a gap when
  // scrolled to the top above the first sublist (whose header can only ever
  // stick to top), so we make sure to exclude the first visible sublist.
  - // &:not(.mx_RoomSublist_hidden) ~ .mx_RoomSublist .mx_RoomSublist_headerContainer {
  - // height: 24px;
  - // }
  .mx_RoomSublist_resizeBox {
  position: relative;
  