Added SpanFromWorkflowContext function #2294

Job	Run time
cloud-test	0s
build-and-test (ubuntu-latest, oldstable)	17m 10s
build-and-test (ubuntu-latest, stable)	26m 6s
build-and-test (macos-intel, oldstable)	17m 41s
build-and-test (macos-intel, stable)	17m 37s
build-and-test (macos-arm, oldstable)	16m 54s
build-and-test (macos-arm, stable)	16m 56s
build-and-test (windows-latest, oldstable)	20m 27s
build-and-test (windows-latest, stable)	20m 4s
features-test / test	2m 5s
	2h 35m 0s

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