Improve APIs for Tries in Runtime #9864

Job	Run time
preflight / preflight	43s
preflight / ci-versions	56s
test-linux-stable-runtime-benchmarks	23m 30s
test-linux-stable-int	17m 16s
test-linux-stable (1/3, parity-large)	23m 31s
test-linux-stable (1/3, parity-oldlinux)	21m 22s
test-linux-stable (2/3, parity-large)	18m 1s
test-linux-stable (2/3, parity-oldlinux)	16m 8s
test-linux-stable (3/3, parity-large)	17m 56s
test-linux-stable (3/3, parity-oldlinux)	15m 48s
All tests passed	1s
	2h 35m 12s

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