Disable --Xsnapsync-to-head-enabled by default (#7764)

Signed-off-by: Simon Dudley <[email protected]>

Author: siladu

CHANGELOG.md

@@ -29,7 +29,7 @@
 - Interrupt pending transaction processing on block creation timeout [#7673](https://github.com/hyperledger/besu/pull/7673)
 - Align gas cap calculation for transaction simulation to Geth approach [#7703](https://github.com/hyperledger/besu/pull/7703)
 - Expose chainId in the `BlockchainService` [7702](https://github.com/hyperledger/besu/pull/7702)
-- Use head block instead of safe block for snap sync [7536](https://github.com/hyperledger/besu/issues/7536)
+- Add `--Xsnapsync-to-head-enabled` feature to use head block instead of safe block for snap sync [7536](https://github.com/hyperledger/besu/issues/7536)
 - Add support for `chainId` in `CallParameters` [#7720](https://github.com/hyperledger/besu/pull/7720)
 - Add `--ephemery` network support for Ephemery Testnet [#7563](https://github.com/hyperledger/besu/pull/7563) thanks to [@gconnect](https://github.com/gconnect)
 - Add configuration of Consolidation Request Contract Address via genesis configuration [#7647](https://github.com/hyperledger/besu/pull/7647)

ethereum/eth/src/main/java/org/hyperledger/besu/ethereum/eth/sync/snapsync/SnapSyncConfiguration.java

@@ -40,7 +40,7 @@ public class SnapSyncConfiguration {
 
   public static final Boolean DEFAULT_SNAP_SYNC_BFT_ENABLED = Boolean.FALSE;
 
-  public static final Boolean DEFAULT_SNAP_SYNC_TO_HEAD_ENABLED_FLAG = Boolean.TRUE;
+  public static final Boolean DEFAULT_SNAP_SYNC_TO_HEAD_ENABLED_FLAG = Boolean.FALSE;
 
   public static SnapSyncConfiguration getDefault() {
     return ImmutableSnapSyncConfiguration.builder().build();