Fix propagation parent ID for integration spans #47838

Job	Run time
test_unit (dd-lib-python-init-test-django)	3m 55s
build-and-publish-latest-snapshot-image	0s
test_unit (dd-lib-python-init-test-django-gunicorn)	3m 27s
test_unit (dd-lib-python-init-test-django-gunicorn-alpine)	3m 15s
test_unit (dd-lib-python-init-test-django-uvicorn)	3m 21s
test_unit (dd-lib-python-init-test-django-no-perms)	3m 22s
test_unit (dd-lib-python-init-test-django-pre-installed)	3m 38s
build-and-publish-test-image / wait_for_package	8s
test_unit (dd-lib-python-init-test-django-unsupported-python)	3m 50s
build-and-publish-test-image / build_push / build_push	12m 43s
test-runner-test (dd-lib-python-init-test-django)	4m 25s
test-runner-test (dd-lib-python-init-test-django-gunicorn)	4m 55s
test-runner-test (dd-lib-python-init-test-django-uvicorn)	4m 29s
	51m 28s

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