message: hide details summary arrow in create room dialog on webkit too
diff: @@ -21,6 +21,11 @@ limitations under the License.
  font-weight: 600;
  cursor: pointer;
  color: $accent-color;
  +
  + // list-style doesn't do it for webkit
  + &::-webkit-details-marker {
  + display: none;
  + }
  }
  > div {
  