message: fix styling of the disabled danger_outline button
diff: @@ -76,12 +76,16 @@ limitations under the License.
  border: 1px solid $button-danger-bg-color;
  }
  -.mx_AccessibleButton_kind_danger.mx_AccessibleButton_disabled,
  -.mx_AccessibleButton_kind_danger_outline.mx_AccessibleButton_disabled {
  +.mx_AccessibleButton_kind_danger.mx_AccessibleButton_disabled {
  color: $button-danger-disabled-fg-color;
  background-color: $button-danger-disabled-bg-color;
  }
  +.mx_AccessibleButton_kind_danger_outline.mx_AccessibleButton_disabled {
  + color: $button-danger-disabled-bg-color;
  + border-color: $button-danger-disabled-bg-color;
  +}
  +
  .mx_AccessibleButton_hasKind.mx_AccessibleButton_kind_danger_sm {
  padding: 5px 12px;
  color: $button-danger-fg-color;
  