message: Added styles to context-panel-area component and its primary-area element.
diff: display: flex;
  flex-direction: column;
  min-height: 0;
  + overflow: hidden;
  }
  .content {
  ::ng-deep [context-panel-role='panel-content'] {
  flex: 1;
  }
  +
  +::ng-deep [context-panel-role='primary-area'] {
  + height: 100%;
  + overflow: auto;
  +}
  