feat(DeleteSourceDialog): when lots of sources are selected for deletion, block the continue button for 5 seconds
#2117
| Job | Run time |
|---|---|
| 16s | |
| 22s | |
| 1m 47s | |
| 2m 10s | |
| 1m 0s | |
| 59s | |
| 1m 20s | |
| 1m 5s | |
| 8m 59s |