Core/Phases:

- Added terrain swap info to .gps command (todo: move text to db)
- RebuildTerrainSwaps when adding a Unit to world

src/server/game/Entities/Unit/Unit.cpp

@@ -11890,6 +11890,7 @@ void Unit::AddToWorld()
     {
         WorldObject::AddToWorld();
     }
+    RebuildTerrainSwaps();
 }
 
 void Unit::RemoveFromWorld()