refactor(trie): reuse shared StorageProofCalculator for V2 sync storage roots and add deferred encoder metrics (#21424)

Co-authored-by: Amp <amp@ampcode.com>

crates/engine/tree/src/tree/payload_processor/mod.rs

@@ -286,9 +286,7 @@ where
         let multi_proof_task = MultiProofTask::new(
             proof_handle.clone(),
             to_sparse_trie,
-            config
-                .multiproof_chunking_enabled()
-                .then_some(config.effective_multiproof_chunk_size()),
+            config.multiproof_chunking_enabled().then_some(config.multiproof_chunk_size()),
             to_multi_proof.clone(),
             from_multi_proof,
         )