Allow blocksync to not verify all signatures (cometbft#1858) (cometbf…

…t#1870)

* Blocksync can skip sigs

* bump

(cherry picked from commit 9446e31)

Co-authored-by: Sergio Mena <sergio@informal.systems>

blocksync/reactor.go

@@ -454,7 +454,7 @@ FOR_LOOP:
 			// first.Hash() doesn't verify the tx contents, so MakePartSet() is
 			// currently necessary.
 			// TODO(sergio): Should we also validate against the extended commit?
-			err = state.Validators.VerifyCommitLightAllSignatures(
+			err = state.Validators.VerifyCommitLight(
 				chainID, firstID, first.Height, second.LastCommit)
 
 			if err == nil {