fix: add allowInert support for synchronized properties (#21119) (#21… #20924

All 7 492 tests pass, 53 skipped in 1h 13m 38s

1 149 files +1 1 149 suites +1 1h 13m 38s ⏱️ + 1m 19s
7 545 tests +1 7 492 ✅ +1 53 💤 ±0 0 ❌ ±0
7 906 runs +2 7 844 ✅ +2 62 💤 ±0 0 ❌ ±0

Results for commit 994675a. ± Comparison against earlier commit d408e3f.