message: fix: add default font-family to unified root container
diff: // Copyright (c) Microsoft Corporation. All rights reserved.
  // Licensed under the MIT License.
  @import '../../../../common/styles/colors.scss';
  +@import '../../../../common/styles/fonts.scss';
  body {
  margin: 0px;
  @@ -8,6 +9,7 @@ body {
  width: 100%;
  overflow: hidden;
  background-color: $neutral-0;
  + font-family: $fontFamily;
  }
  button {
  