fix: FormValue should never be null
#1350
| Job | Run time |
|---|---|
| 39s | |
| 6m 6s | |
| 5m 13s | |
| 5m 3s | |
| 2m 24s | |
| 2m 52s | |
| 2m 3s | |
| 2m 15s | |
| 2m 30s | |
| 2m 17s | |
| 3m 7s | |
| 2m 50s | |
| 3m 16s | |
| 2m 46s | |
| 2m 41s | |
| 3m 9s | |
| 2m 32s | |
| 2m 23s | |
| 2m 7s | |
| 56m 13s |