Can now open secret walls and pick up machine gun

Signed-off-by: Hans Kokx <hans.d.kokx@gmail.com>

lib/features/entities/entity_registry.dart

@@ -13,12 +13,11 @@ typedef EntitySpawner =
     );
 
 abstract class EntityRegistry {
-  // Add future enemies (SSGuard, Dog, etc.) to this list!
   static final List<EntitySpawner> _spawners = [
-    Collectible.trySpawn, // Check collectibles
-    Decorative.trySpawn, // Then check decorations
-    BrownGuard.trySpawn, // Then check guards
-    Dog.trySpawn, // Then check dogs
+    BrownGuard.trySpawn,
+    Dog.trySpawn,
+    Collectible.trySpawn,
+    Decorative.trySpawn,
   ];
 
   static Entity? spawn(