[Backport v3.7-branch] net: dns: Close socket service properly from dispatcher #1110

All 4 217 tests pass, 4 skipped in 1h 6m 20s

9 files + 8 762 suites +761 1h 6m 20s ⏱️ + 1h 0m 11s
4 221 tests +3 297 4 217 ✅ +3 294 4 💤 +4 0 ❌ ±0
4 222 runs +3 298 4 218 ✅ +3 295 4 💤 +4 0 ❌ ±0

Results for commit 196aa89. ± Comparison against earlier commit 78cfc7c.