bug: assert search query renders escaped in the DOM

Signed-off-by: Devin AI <158243242+devin-ai-integration[bot]@users.noreply.github.com>
Co-Authored-By: Alister  Mac Cormack <alister.maccormack@cognition.ai>

Author: devin-ai-integration[bot]

frontend/src/app/search-result/search-result.component.spec.ts

@@ -221,4 +221,13 @@ describe('SearchResultComponent', () => {
         expect(component.searchValue).toEqual('<script>scripttag</script>')
         expect(sanitizer.bypassSecurityTrustHtml).not.toHaveBeenCalledWith('<script>scripttag</script>')
     })
+
+    it('should render the search query escaped in the DOM', () => {
+        activatedRoute.setQueryParameter('<img src=x onerror=alert(1)>')
+        component.filterTable()
+        fixture.detectChanges()
+        const element: HTMLElement = fixture.nativeElement.querySelector('#searchValue')
+        expect(element.childElementCount).toBe(0)
+        expect(element.textContent).toEqual('<img src=x onerror=alert(1)>')
+    })
 })