Implements new event batch id

gen_7_scripts/src/moves/struggle.rs

@@ -55,7 +55,8 @@ impl Script for Struggle {
         if damage == 0 {
             damage = 1
         }
-        mv.user().damage(damage, DamageSource::Struggle)?;
+        mv.user()
+            .damage(damage, DamageSource::Struggle, Default::default())?;
         Ok(())
     }