fix: allow for use of both manual & fetchEvent based HTTP #814

Job	Run time
build-splicer (ubuntu-latest)	1m 56s
lint	7s
build-splicer (windows-latest)	4m 0s
build (release)	7s
build (weval)	10s
build (debug)	7s
test-example	32s
test (23.10.0, ubuntu-latest, release)	6m 45s
test (23.10.0, windows-latest, release)	7m 47s
test (23.10.0, ubuntu-latest, weval)	9m 52s
test (23.10.0, ubuntu-latest, debug)	7m 39s
test (23.10.0, macos-latest, debug)	6m 55s
test (23.10.0, macos-latest, release)	5m 39s
test (23.10.0, windows-latest, debug)	8m 41s
test (23.10.0, macos-latest, weval)	9m 53s
test (23.10.0, windows-latest, weval)	9m 47s
	1h 19m 57s

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