message: fix(grouping): update draggable select to the latest material
diff: class="mat-select-panel draggable-select-panel {{ _getPanelTheme() }}"
  [ngClass]="panelClass"
  [@transformPanel]="multiple ? 'showing-multiple' : 'showing'"
  - (@transformPanel.done)="_onPanelDone()"
  + (@transformPanel.done)="_panelDoneAnimatingStream.next($event.toState)"
  [style.transformOrigin]="_transformOrigin"
  [class.mat-select-panel-done-animating]="_panelDoneAnimating"
  [style.font-size.px]="_triggerFontSize"
  