Optimizes atmos

Content.Server/Atmos/TileAtmosphere.cs

@@ -640,7 +640,7 @@ namespace Content.Server.Atmos
             // Can't process a tile without air
             if (Air == null)
             {
-                Excited = false;
+                _gridAtmosphereComponent.RemoveActiveTile(this);
                 return;
             }
 

Content.Server/GameObjects/Components/Atmos/GridAtmosphereComponent.cs

@@ -373,7 +373,7 @@ namespace Content.Server.GameObjects.Components.Atmos
         [MethodImpl(MethodImplOptions.AggressiveInlining)]
         public virtual void AddActiveTile(TileAtmosphere tile)
         {
-            if (tile?.GridIndex != _gridId) return;
+            if (tile?.GridIndex != _gridId || tile.Air == null) return;
             tile.Excited = true;
             _activeTiles.Add(tile);
         }