fix: coroutine deny on inactive

Assets/Scripts/Player/PlayerHealth.cs

@@ -71,7 +71,7 @@ public class PlayerHealth : Damageable
         base.Heal(amount);
         ui.easeFillSlider.value = currentHealth;
 
-        StartCoroutine(EasingHealthGain());
+        if (gameObject.activeSelf) StartCoroutine(EasingHealthGain());
     }
 
     private IEnumerator EasingHealth() {