Use setBars instead of overriding displayBars (#8296)

core/src/mindustry/world/blocks/defense/turrets/ItemTurret.java

@@ -51,6 +51,19 @@ public class ItemTurret extends Turret{
         stats.add(Stat.ammo, StatValues.ammo(ammoTypes));
     }
 
+    @Override
+    public void setBars(){
+        super.setBars();
+
+        addBar("ammo", (ItemTurretBuild entity) ->
+            new Bar(
+                "stat.ammo",
+                Pal.ammo,
+                () -> (float)entity.totalAmmo / maxAmmo
+            )
+        );
+    }
+
     @Override
     public void init(){
         consume(new ConsumeItemFilter(i -> ammoTypes.containsKey(i)){
@@ -100,14 +113,6 @@ public class ItemTurret extends Turret{
             super.updateTile();
         }
 
-        @Override
-        public void displayBars(Table bars){
-            super.displayBars(bars);
-
-            bars.add(new Bar("stat.ammo", Pal.ammo, () -> (float)totalAmmo / maxAmmo)).growX();
-            bars.row();
-        }
-
         @Override
         public int acceptStack(Item item, int amount, Teamc source){
             BulletType type = ammoTypes.get(item);