Migrate pallet-paged-list-fuzzer to umbrella crate #16796

Job	Run time
check-dependency-rules	9s
check-markdown	15s
check-fail-ci	12s
check-readme	3m 8s
check-workspace	17s
preflight / preflight	44s
preflight / ci-versions	1m 1s
fmt	1m 9s
check-rust-feature-propagation	1m 59s
check-toml-format	1m 3s
check-umbrella	2m 16s
test-rust-features	1m 58s
All quick checks passed	1s
	14m 12s

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