docs: fix up createNodeRequestHandler examples #1985

Job	Run time
list	29s
workflow (modules-builder-tests)	1m 54s
workflow (devkit-core-tests)	1m 30s
workflow (devkit-core-tests-rerun)	1m 33s
workflow (build-unit-tests)	2m 12s
workflow (build-cli)	1m 46s
	9m 24s

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