fix(context menu): don't close on item click with noop strategy (#2875)

BREAKING CHANGE:
Context menu won't close on menu item click is trigger strategy is set to `noop` (`nbContextMenuTrigger="noop"`).

src/framework/theme/components/context-menu/context-menu.directive.ts

@@ -275,7 +275,7 @@ export class NbContextMenuDirective implements NbDynamicOverlayController, OnCha
  private subscribeOnItemClick() {
  this.menuService.onItemClick()
  .pipe(
- filter(({ tag }) => tag === this.tag),
+ filter(({ tag }) => tag === this.tag && this.trigger !== NbTrigger.NOOP),
  takeUntil(this.destroy$),
  )
  .subscribe(() => this.hide());