docs: fix up createNodeRequestHandler examples #1986

Job	Run time
list	25s
workflow (modules-builder-tests)	1m 50s
workflow (devkit-core-tests-rerun)	1m 22s
workflow (devkit-core-tests)	1m 20s
workflow (build-unit-tests)	2m 25s
workflow (build-cli)	1m 37s
	8m 59s

Provide feedback