Wrap Immunities in unit stats (#6946)

* Don't display move effect ability in stats

* Wrap the immunities list

core/src/mindustry/entities/abilities/Ability.java

@@ -6,6 +6,8 @@ import mindustry.gen.*;
 import mindustry.type.*;
 
 public abstract class Ability implements Cloneable{
+    /** If false, this ability does not show in unit stats. */
+    public boolean display = true;
     //the one and only data variable that is synced.
     public float data;
 

core/src/mindustry/entities/abilities/MoveEffectAbility.java

@@ -24,6 +24,7 @@ public class MoveEffectAbility extends Ability{
         this.color = color;
         this.effect = effect;
         this.interval = interval;
+        display = false;
     }
 
     public MoveEffectAbility(){