Note

Medium Risk
Touches a widely-used core trait and multiple storage backends, so compilation should catch most issues but any missed impl/call site could break builds or subtly change caching/thread-safety assumptions.

Overview
Updates the starknet_patricia_storage Storage trait so read APIs (get, mget) take &self instead of &mut self, and applies the signature change across all storage implementations (Aerospike, MDBX, RocksDB, map/cached, short-key wrappers, and NullStorage).

Adjusts benchmark/test call sites to stop requiring mutable clones for read-only operations (e.g., CLI interference mget task and concurrent access test), making read paths easier to share across tasks/threads.

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