Updates backend_wrapper to handle exhausting returned iterators, fixe… #3747

Job	Run time
checks / check-style	3m 19s
devcontainer / build (amd64, 12.0, conda)	4m 32s
checks / other-checks	35s
devcontainer / build (amd64, 12.0, pip)	7m 1s
conda-cpp-build	0s
wheel-build-pylibcugraph	0s
conda-python-build	0s
conda-cpp-tests	0s
wheel-tests-pylibcugraph	0s
conda-python-tests	0s
conda-notebook-tests	0s
docs-build	0s
wheel-build-cugraph	0s
wheel-build-nx-cugraph	0s
wheel-tests-cugraph	0s
wheel-tests-nx-cugraph	0s
pr-builder	0s
	15m 27s

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