bugfix: Compile only existing classes #3309

Job	Run time
Formatting	26s
Publish binaries for ${{ matrix.os }}	0s
Build integrations tests (ubuntu-latest)	5m 18s
Test platform bridges (ubuntu-latest)	9m 3s
Build integrations tests (macOS-13)	10m 27s
Test platform bridges (windows-latest)	13m 26s
Test ubuntu-latest -- 22.3.0	13m 8s
Test platform bridges (macOS-13)	18m 13s
Test ubuntu-latest -- 17	12m 26s
Test platform bridges (macOS-14)	10m 27s
Test windows-latest -- 22.3.0	16m 44s
Test windows-latest -- 17	17m 16s
Test macOS-13 -- 22.3.0	25m 40s
Test macOS-13 -- 17	25m 1s
Test macOS-14 -- 22.3.0	16m 0s
Test macOS-14 -- 17	14m 47s
Release version on ${{ matrix.os }}	0s
	3h 28m 22s

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