fix: correct code-map line counting (#508) #6109

Job	Run time
build-and-check	3m 7s
test-integration-packages/internal	1m 17s
test-integration-packages/billing	1m 27s
test-integration-cli	46s
test-integration-web	45s
test-integration-common	44s
test-integration-packages/agent-runtime	50s
test-integration-sdk	1m 19s
test-packages/billing	46s
test-packages/internal	45s
test-cli	59s
test-packages/agent-runtime	49s
test-common	45s
test-.agents	44s
test-web	1m 47s
test-sdk	49s
	17m 39s

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