message: Change the menu button to a chevron
  by design request
diff: @@ -16,7 +16,7 @@ limitations under the License.
  .mx_UserMenu {
  - // to make the ... button sort of aligned with the explore button below
  + // to make the menu button sort of aligned with the explore button below
  padding-right: 6px;
  .mx_UserMenu_headerButtons {
  @@ -36,7 +36,7 @@ limitations under the License.
  mask-size: contain;
  mask-repeat: no-repeat;
  background: $primary-fg-color;
  - mask-image: url('$(res)/img/element-icons/context-menu.svg');
  + mask-image: url('$(res)/img/feather-customised/chevron-down.svg');
  }
  }
  