fix(google-genai): Guard against None response ID and response model
#9043
| Job | Run time |
|---|---|
| 4m 44s | |
| 5m 54s | |
| 6m 43s | |
| 6m 47s | |
| 8m 9s | |
| 4m 49s | |
| 6m 15s | |
| 5m 55s | |
| 8m 30s | |
| 9m 38s | |
| 3s | |
| 1h 7m 27s |