Validate init aliases before generated code compilation #2144

Job	Run time
Check types using supported type checkers	6s
Build & verify package	13s
Verify dev env	11s
Tests on ${{ matrix.python-version }}	1s
Tests & Mypy on ${{ matrix.python-version }}	1s
Run doctests & render changelog	1s
Ensure everything required is passing for branch protection	2s
Combine & check coverage	1s
	36s

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