fix: allow for use of both manual & fetchEvent based HTTP #801

Job	Run time
build-splicer (ubuntu-latest)	7s
build-splicer (windows-latest)	13s
lint	8s
build (weval)	8s
build (release)	7s
build (debug)	7s
test-example	34s
test (23.10.0, ubuntu-latest, release)	31s
test (23.10.0, ubuntu-latest, debug)	41s
test (23.10.0, windows-latest, weval)	2m 30s
test (23.10.0, windows-latest, debug)	1m 41s
test (23.10.0, macos-latest, weval)	1m 9s
test (23.10.0, windows-latest, release)	1m 16s
test (23.10.0, ubuntu-latest, weval)	41s
test (23.10.0, macos-latest, debug)	42s
test (23.10.0, macos-latest, release)	37s
	11m 12s

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