Fix ngbDropdown stealing keyboard events

src-ui/src/app/components/app-frame/global-search/global-search.component.spec.ts

@@ -442,6 +442,13 @@ describe('GlobalSearchComponent', () => {
     expect(focusSpy).toHaveBeenCalled()
   })
 
+  it('should prevent event propagation for keyboard events on buttons that are not arrows', () => {
+    const event = { stopImmediatePropagation: jest.fn(), key: 'Enter' }
+    const stopPropagationSpy = jest.spyOn(event, 'stopImmediatePropagation')
+    component.onButtonKeyDown(event as any)
+    expect(stopPropagationSpy).toHaveBeenCalled()
+  })
+
   it('should support explicit advanced search', () => {
     const qfSpy = jest.spyOn(documentListViewService, 'quickFilter')
     component.query = 'test'