protected TableIdentifier generateChangeStoreIdentifier(TableIdentifier baseIdentifier) {
    return TableIdentifier.of(
        baseIdentifier.namespace(),
        MixedTableUtil.changeStoreName(baseIdentifier.name(), separator));
  }
create change store table identifier

@param baseIdentifier base store table identifier.
@return change store table identifier.
amoro-format-iceberg/src/main/java/org/apache/amoro/mixed/MixedTables.java