message: fix: add timeout for dropdown panel to fully render
  fixes
diff: @@ -186,6 +186,7 @@ export class NgDropdownPanelComponent implements OnInit, OnChanges, OnDestroy, A
  }
  updateDropdownPosition() {
  + this._window.setTimeout(() => {
  this._currentPosition = this._calculateCurrentPosition(this._dropdown);
  if (this._currentPosition === 'top') {
  this._renderer.addClass(this._dropdown, TOP_CSS_CLASS);
  @@ -204,6 +205,7 @@ export class NgDropdownPanelComponent implements OnInit, OnChanges, OnDestroy, A
  }
  this._dropdown.style.opacity = '1';
  + }, 0);
  }
  private _handleOutsideClick($event: any) {
  