fix: allow for use of both manual & fetchEvent based HTTP #794

Job	Run time
lint	10s
build-splicer (windows-latest)	4m 56s
build-splicer (ubuntu-latest)	2m 0s
build (release)	9s
build (weval)	13s
build (debug)	13s
test-example	36s
test (23.10.0, ubuntu-latest, weval)	41s
test (23.10.0, windows-latest, debug)	1m 36s
test (23.10.0, windows-latest, weval)	2m 21s
test (23.10.0, macos-latest, debug)	41s
test (23.10.0, macos-latest, release)	37s
test (23.10.0, ubuntu-latest, release)	32s
test (23.10.0, macos-latest, weval)	2m 13s
test (23.10.0, ubuntu-latest, debug)	37s
test (23.10.0, windows-latest, release)	1m 28s
	19m 3s

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