desktop: Add Controls > Step Once, for frame-by-frame stepping
#26399
| Job | Run time |
|---|---|
| 7s | |
| 3m 52s | |
| 6m 24s | |
| 0s | |
| 4m 12s | |
| 8m 26s | |
| 2m 2s | |
| 0s | |
| 1m 59s | |
| 2m 50s | |
| 2m 29s | |
| 32m 21s |