message: fix height of the header
diff: }
  :global(.ms-Panel-content) {
  padding: 0px;
  + :global(.main-nav) {
  + max-height: calc(100vh - (#{$detailsViewHeaderBarHeight}));
  + height: calc(100vh - (#{$detailsViewHeaderBarHeight}));
  + }
  }
  }
  