refactor: use mutate_and_persist helper everywhere for ChainState mut… #425

Job	Run time
Test	1m 20s
Build	2m 25s
Clippy	1m 39s
Coverage	1m 34s
Nightly Build & Test	0s
Docker Nightly Build	0s
Docker Integration (5 Validators + WASM)	4m 54s
Integration	1m 21s
E2E	1m 19s
Docker	3m 6s
Release	-1s
	17m 37s

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