[5.x] Fix target .git repo handling when exporting starter kit with --clear
#25228
| Job | Run time |
|---|---|
| 12s | |
| 4m 10s | |
| 4m 8s | |
| 4m 10s | |
| 4m 6s | |
| 4m 8s | |
| 4m 10s | |
| 4m 9s | |
| 4m 9s | |
| 4m 9s | |
| 3m 54s | |
| 3m 58s | |
| 4m 9s | |
| 4m 8s | |
| 4m 2s | |
| 3m 53s | |
| 4m 5s | |
| 4m 9s | |
| 4m 9s | |
| 3m 50s | |
| 3m 53s | |
| 2s | |
| 1h 21m 43s |