[DRAFT] Kernel post-initialization stability improvements #17439

Job	Run time
Build VSIX	1m 16s
cancel_previous_runs	2s
Lint	2m 6s
Type Script Tests (ubuntu-latest, ts-unit)	1m 20s
Type Script Tests (windows-latest, ts-unit)	5m 37s
Tests (raw, python, 3.10, ^[^@]+$\|@mandatory\|@kernelCore\|@python\|@jupyter, ubuntu-latest)	5m 38s
Tests (raw, python, 3.10, @widgets, ubuntu-latest)	4m 52s
Tests (raw, python, 3.10, @iw, ubuntu-latest)	3m 49s
Tests (raw, python, 3.10, @webview\|@export\|@lsp\|@variableViewer, ubuntu-latest)	4m 12s
Tests (raw, python, 3.10, @debugger, ubuntu-latest)	4m 8s
Tests (remote, python, 3.10, ^[^@]+$\|@mandatory, ubuntu-latest)	3m 41s
Tests (web, python, 3.10, ^[^@]+$\|@mandatory, ubuntu-latest)	2m 44s
Tests (raw, python, 3.10, ^[^@]+$\|@mandatory, windows-latest)	4m 48s
Tests (raw, python, 3.10, @widgets, ubuntu-latest, 8)	4m 29s
Tests (remote, python, 3.10, @widgets, ubuntu-latest, 8)	6m 7s
Tests (raw, conda, 3.10, ^[^@]+$\|@mandatory\|@python, ubuntu-latest)	3m 22s
Tests (raw, noPython, @nonPython, ubuntu-latest)	1m 41s
Tests (remote, python, 3.10, @kernelCore, ubuntu-latest)	4m 10s
Smoke tests (ubuntu-latest, 3.10)	1m 30s
Smoke tests (windows-latest, 3.10)	3m 54s
Smoke tests (macos-latest, 3.10)	1m 50s
	1h 11m 16s

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