Refactor obj_c module and update macOS usage #187

Job	Run time
run_android (ubuntu-latest, 24, android_run)	3m 42s
run_pc (ubuntu-latest, 1.68.0, pc_run)	28s
run_android (ubuntu-latest, 30, android_run)	11m 1s
run_pc (ubuntu-latest, stable, pc_run)	26s
run_android (ubuntu-latest, 33, android_run)	11m 22s
run_pc (ubuntu-latest, beta, pc_run)	31s
run_pc (ubuntu-latest, nightly, pc_run)	32s
run_pc (macos-latest, 1.68.0, pc_run)	45s
run_pc (macos-latest, stable, pc_run)	48s
run_pc (macos-latest, beta, pc_run)	51s
run_pc (macos-latest, nightly, pc_run)	54s
run_pc (windows-latest, 1.68.0, pc_run)	1m 10s
run_pc (windows-latest, stable, pc_run)	1m 5s
run_pc (windows-latest, beta, pc_run)	1m 28s
run_pc (windows-latest, nightly, pc_run)	1m 6s
concat_logs	0s
	36m 9s

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