message: Fix accessibility of the Explore button
diff: @@ -86,11 +86,15 @@ $tagPanelWidth: 70px; // only applies in this file, used for calculations
  .mx_RoomSearch_expanded + .mx_LeftPanel2_exploreButton {
  // Cheaty way to return the occupied space to the filter input
  + flex-basis: 0;
  margin: 0;
  width: 0;
  - // Don't forget to hide the masked ::before icon
  - visibility: hidden;
  + // Don't forget to hide the masked ::before icon,
  + // using display:none or visibility:hidden would break accessibility
  + &::before {
  + content: none;
  + }
  }
  .mx_LeftPanel2_exploreButton {
  