image/tree: Fix table header having escape codes when not tty #8259
| Job | Run time |
|---|---|
| 3m 41s | |
| 3m 33s | |
| 3m 32s | |
| 3m 53s | |
| 3m 34s | |
| 4m 2s | |
| 3m 50s | |
| 3m 40s | |
| 4m 3s | |
| 3m 57s | |
| 3m 40s | |
| 4m 2s | |
| 3m 53s | |
| 3m 57s | |
| 3m 52s | |
| 4m 0s | |
| 1h 1m 9s |
| Job | Run time |
|---|---|
| 3m 41s | |
| 3m 33s | |
| 3m 32s | |
| 3m 53s | |
| 3m 34s | |
| 4m 2s | |
| 3m 50s | |
| 3m 40s | |
| 4m 3s | |
| 3m 57s | |
| 3m 40s | |
| 4m 2s | |
| 3m 53s | |
| 3m 57s | |
| 3m 52s | |
| 4m 0s | |
| 1h 1m 9s |