Expose workflow firstRunID in DescribeWorkflowExecution #10857

Job	Run time
build-docker-image / build-image	6m 0s
feature-tests-go / test	3m 4s
feature-tests-dotnet / test	1m 34s
feature-tests-java / test	2m 20s
feature-tests-python / test	2m 7s
feature-tests-ts / test	2m 37s
Tests Status	1s
	17m 43s

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