refactor: rewrite block processor and node to use signet-storage #381

Job	Run time
rust-library-base / Feature Checks	47s
rust-library-base / Base Checks / Rustfmt	25s
rust-library-base / Base Checks / Clippy	41s
rust-library-base / Base Checks / Test Suite	2m 17s
rust-library-base / Base Checks / Docs	44s
rust-library-base / Base Checks / doctest	57s
	5m 51s

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