FED-4215 Low-hanging dart2js code side optimizations #32

Job	Run time
validate_analyzer (stable, ^5.13.0)	1m 23s
validate_analyzer (stable, ^7.0.0)	1m 25s
test_and_check_generated_files (2.19.6)	7m 36s
validate_analyzer (2.19.6, ^5.13.0)	1m 58s
test_and_check_generated_files (stable)	5m 57s
validate_analyzer (stable, ^6.0.0)	1m 9s
analyzer_plugin (2.19.6)	5m 41s
analyzer_plugin (stable)	3m 17s
checks / check-release-notes	8s
checks / dependency-validator	47s
checks / analyze-additional-checks	2s
checks / format	46s
checks / analyze	52s
build / sbom	27s
checks / additional-checks (no_entrypoint_imports)	18s
Testing and Checks Completed	3s
	31m 49s

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