Log the number of updated classes when applying mappings via the UI #874

All 361 tests pass, 6 skipped in 24s

52 files ±0 52 suites ±0 24s ⏱️ -1s
367 tests ±0 361 ✅ ±0 6 💤 ±0 0 ❌ ±0
389 runs ±0 383 ✅ ±0 6 💤 ±0 0 ❌ ±0

Results for commit f105bc5. ± Comparison against earlier commit e98f5e4.