Unified Volumetric Flow

Fixed towing system
Tweaked Nebula Flow (a lot)
Extracted environment appearance settings into ZoneEnvironment data structure
Stardust particles now follow global flow field

Assets/Scripts/ServerShared/LoadoutGenerator.cs

@@ -95,6 +95,8 @@ public class LoadoutGenerator
             var instance = ItemManager.CreateInstance(item);
             cargo.TryStore(instance);
         }
+
+        entity.CanTow = hullData.CanTow;
         
         return EntitySerializer.Pack(entity) as OrbitalEntityPack;
     }