message: Fix font slider preview for message bubbles
diff: @@ -45,6 +45,11 @@ limitations under the License.
  border-radius: 10px;
  padding: 0 16px 9px 16px;
  pointer-events: none;
  + display: flow-root;
  +
  + .mx_EventTile[data-layout=bubble] {
  + margin-top: 30px;
  + }
  .mx_EventTile_msgOption {
  display: none;
  