message: Allow the header container to collapse on itself when room list not minimised
diff: @@ -22,6 +22,12 @@ limitations under the License.
  display: none;
  }
  + &:not(.mx_RoomSublist_minimized) {
  + .mx_RoomSublist_headerContainer {
  + height: auto;
  + }
  + }
  +
  .mx_RoomSublist_headerContainer {
  // Create a flexbox to make alignment easy
  display: flex;
  @@ -41,9 +47,7 @@ limitations under the License.
  // The combined height must be set in the LeftPanel component for sticky headers
  // to work correctly.
  padding-bottom: 8px;
  - // Allow the container to collapse on itself if its children
  - // are not in the normal document flow
  - max-height: 24px;
  + height: 24px;
  color: $roomlist-header-color;
  .mx_RoomSublist_stickable {
  @@ -176,9 +180,9 @@ 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;
  - }
  + // &:not(.mx_RoomSublist_hidden) ~ .mx_RoomSublist .mx_RoomSublist_headerContainer {
  + // height: 24px;
  + // }
  .mx_RoomSublist_resizeBox {
  position: relative;
  