fix(spec): don't require slots on slotted pages (unblock slotted page creation in Studio)
#6984
| Job | Run time |
|---|---|
| 5s | |
| 6m 5s | |
| 5m 5s | |
| 9m 22s | |
| -1s | |
| -1s | |
| 20m 35s |