Moved scene_sync include, outside the DEBUG_ENABLED guard.

Author: AndreaCatania

core/scene_synchronizer_debugger.cpp

@@ -9,11 +9,12 @@
 #include "core/os/os.h"
 
 #include "../data_buffer.h"
-#include "../scene_synchronizer.h"
 #include "net_utilities.h"
 
 #endif
 
+#include "../scene_synchronizer.h"
+
 SceneSynchronizerDebugger *SceneSynchronizerDebugger::the_singleton = nullptr;
 
 SceneSynchronizerDebugger *SceneSynchronizerDebugger::singleton() {