Added directive to editor script to prevent build issues

Assets/PhotoMode/PM-Scripts/Editor Scripts/MinMaxDrawer.cs

 
 namespace PhotoMode
 {
-
+#if UNITY_EDITOR
     // IngredientDrawer
     [CustomPropertyDrawer(typeof(MinMax))]
     public class MinMaxDrawer : PropertyDrawer
             EditorGUI.EndProperty();
         }
     }
+#endif
 }