fetch stepId from response instead of runId #4063

Job	Run time
build-and-check	2m 51s
test-integration-packages/agent-runtime	44s
test-integration-.agents	44s
test-integration-cli	43s
test-integration-npm-app	52s
test-integration-backend	48s
test-integration-common	49s
test-integration-web	50s
test-cli	43s
test-backend	45s
test-.agents	47s
test-npm-app	45s
test-packages/agent-runtime	52s
test-common	51s
test-web	39s
	13m 43s

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