fix: allow for use of both manual & fetchEvent based HTTP #809

Job	Run time
build-splicer (ubuntu-latest)	5s
lint	9s
build-splicer (windows-latest)	10s
build (debug)	7s
build (release)	10s
build (weval)	13s
test-example	35s
test (23.10.0, windows-latest, release)	5m 51s
test (23.10.0, windows-latest, weval)	9m 26s
test (23.10.0, windows-latest, debug)	6m 50s
test (23.10.0, ubuntu-latest, release)	4m 57s
test (23.10.0, macos-latest, weval)	5m 48s
test (23.10.0, ubuntu-latest, weval)	7m 10s
test (23.10.0, macos-latest, debug)	3m 37s
test (23.10.0, ubuntu-latest, debug)	5m 35s
test (23.10.0, macos-latest, release)	3m 20s
	54m 3s

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