unified-storage: add feature flag to use ngram for indexing (#111265)

* unified-storage: add feature flag to use ngram instead of edge-ngram for indexing

pkg/storage/unified/sql/test/integration_test.go

@@ -110,8 +110,6 @@ func TestIntegrationSearchAndStorage(t *testing.T) {
 	require.NoError(t, err)
 	require.NotNil(t, search)
 
-	t.Cleanup(search.Stop)
-
 	// Create a new resource backend
 	storage := newTestBackend(t, false, 0)
 	require.NotNil(t, storage)