Fix LOG_VERSIONS and restore test suite coverage of real class field semantics #10421

Job	Run time
Type Checking (current version)	52s
Linting	1m 8s
Basic Test	1m 15s
Type Checking (other supported versions) (5.0)	1m 0s
Type Checking (other supported versions) (5.1)	1m 1s
Type Checking (other supported versions) (5.4)	1m 2s
Type Checking (other supported versions) (5.7)	1m 2s
Type Checking (other supported versions) (5.6)	1m 9s
Type Checking (other supported versions) (5.5)	1m 9s
Type Checking (other supported versions) (5.3)	1m 6s
Type Checking (other supported versions) (5.2)	1m 3s
Blueprint Tests	2m 7s
Deprecations as errors	1m 15s
All deprecations enabled, with optional features	1m 23s
All deprecations enabled	1m 21s
Browserstack Tests (Safari, Edge)	5m 23s
Production build	1m 24s
Node.js Tests	54s
Production build, with optional features	1m 20s
Smoke tests (Full Ember Apps) (classic-basics)	1m 59s
Deprecations as errors, with optional features	1m 24s
Browser Tests (Firefox)	1m 47s
Smoke tests (Full Ember Apps) (embroider-basics)	1m 29s
Deploy tags to npm	0s
Publish channel to s3	0s
Notify Discord	0s
Publish alpha from default branch	0s
	33m 33s

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