Sector damage calculation fix

core/src/mindustry/entities/bullet/LightningBulletType.java

@@ -26,6 +26,11 @@ public class LightningBulletType extends BulletType{
         return (lightningLength + lightningLengthRand/2f) * 6f;
     }
 
+    @Override
+    public float estimateDPS(){
+        return super.estimateDPS() * Math.max(lightningLength / 2f, 1);
+    }
+
     @Override
     public void draw(Bullet b){
     }