Prevent inflatables from being placed on walls/doors (#8624)

* Check if tile is blocked

* Move check to IsTileClear

Content.Server/Engineering/EntitySystems/SpawnAfterInteractSystem.cs

@@ -3,6 +3,7 @@ using Content.Server.DoAfter;
 using Content.Server.Engineering.Components;
 using Content.Server.Stack;
 using Content.Shared.Interaction;
+using Content.Shared.Maps;
 using Content.Shared.Stacks;
 using JetBrains.Annotations;
 using Robust.Shared.Map;
@@ -36,7 +37,7 @@ namespace Content.Server.Engineering.EntitySystems
 
             bool IsTileClear()
             {
-                return tileRef.Tile.IsEmpty == false;
+                return tileRef.Tile.IsEmpty == false && !tileRef.IsBlockedTurf(true);
             }
 
             if (!IsTileClear())