[UX] Improve dstack fleet output layout
#6369
| Job | Run time |
|---|---|
| 2s | |
| 1m 20s | |
| 51s | |
| 11s | |
| 52s | |
| 12s | |
| 1m 10s | |
| 16s | |
| 19s | |
| 3m 27s | |
| 3m 29s | |
| 3m 52s | |
| 2m 14s | |
| 3m 16s | |
| 5m 8s | |
| 2m 0s | |
| 2m 7s | |
| 4m 51s | |
| 2m 32s | |
| 5m 11s | |
| 2m 10s | |
| 2m 11s | |
| 5m 23s | |
| 4m 57s | |
| 35s | |
| 30s | |
| 14s | |
| 25s | |
| 59m 45s |