Prevent spawning objects from lua before the area is synchronized

src/pc/lua/utils/smlua_obj_utils.c

@@ -9,6 +9,9 @@
 #include "pc/debuglog.h"
 
 static struct Object* spawn_object_internal(enum BehaviorId behaviorId, enum ModelExtendedId modelId, f32 x, f32 y, f32 z, LuaFunction objSetupFunction, bool doSync) {
+    // prevent spawning objects before area is synchronized
+    if (gNetworkPlayerLocal == NULL || !gNetworkPlayerLocal->currAreaSyncValid) { return NULL; }
+
     const BehaviorScript* behavior = get_behavior_from_id(behaviorId);
     if (behavior == NULL) {
         LOG_ERROR("failed to find behavior %u", behaviorId);