message: Fix settings dialog layout
  The close 'x' was ending up off the right hand side which made
  everything else overlap with the left panel, depending on how wide
  your window was.
  This isn't the end of the dialog problems but it will at least stop
  settings from being mangled on develop.
diff: @@ -44,7 +44,7 @@ limitations under the License.
  margin-bottom: 24px;
  }
  .mx_Dialog_fixedWidth {
  - width: 90vw;
  + width: 100%;
  }
  }
  }
  