Implements a mechanism to lock/unlock the SortedListProvider and bags-list iter (v2) #14403

Job	Run time
check-readme	2m 58s
check-dependency-rules	9s
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check-fail-ci	13s
check-workspace	13s
preflight / preflight	37s
preflight / ci-versions	1m 13s
check-toml-format	1m 3s
fmt	1m 23s
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check-umbrella	2m 28s
test-rust-features	2m 20s
All quick checks passed	1s
	15m 12s

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