fix(bs4,5): Only set $default: $secondary if secondary is a color
#2974
| Job | Run time |
|---|---|
| 6m 4s | |
| 5m 8s | |
| 6s | |
| 2m 37s | |
| 5m 43s | |
| 2m 44s | |
| 2m 15s | |
| 2m 43s | |
| 2m 29s | |
| 2m 40s | |
| 2m 30s | |
| 0s | |
| 34m 59s |