fix: allow for use of both manual & fetchEvent based HTTP #795

Job	Run time
lint	7s
build-splicer (windows-latest)	3m 53s
build-splicer (ubuntu-latest)	2m 2s
build (weval)	7s
build (debug)	8s
build (release)	9s
test-example	36s
test (23.10.0, ubuntu-latest, debug)	34s
test (23.10.0, ubuntu-latest, release)	39s
test (23.10.0, macos-latest, release)	42s
test (23.10.0, macos-latest, weval)	1m 57s
test (23.10.0, ubuntu-latest, weval)	44s
test (23.10.0, macos-latest, debug)	47s
test (23.10.0, windows-latest, debug)	1m 58s
test (23.10.0, windows-latest, weval)	2m 11s
test (23.10.0, windows-latest, release)	1m 4s
	17m 38s

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