follow IWYU and reslove confilct.

Author: lupengfan1

src/server/pegasus_mutation_duplicator.cpp

@@ -27,13 +27,15 @@
 #include <functional>
 #include <memory>
 #include <string_view>
+#include <set>
 #include <tuple>
 #include <utility>
 #include <vector>
 
 #include "client_lib/pegasus_client_impl.h"
 #include "common/common.h"
 #include "common/duplication_common.h"
+#include "common/replication.codes.h"
 #include "duplication_internal_types.h"
 #include "gutil/map_util.h"
 #include "pegasus/client.h"