fix(Core/Grids): Grid improvements (#20955)

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

@@ -20535,6 +20535,8 @@ void Unit::ExecuteDelayedUnitRelocationEvent()
             }
         }
 
+        GetMap()->LoadGridsInRange(*player, MAX_VISIBILITY_DISTANCE);
+
         Acore::PlayerRelocationNotifier relocateNoLarge(*player, false); // visit only objects which are not large; default distance
         Cell::VisitAllObjects(viewPoint, relocateNoLarge, player->GetSightRange() + VISIBILITY_INC_FOR_GOBJECTS);
         relocateNoLarge.SendToSelf();