fix coupon_img at CampaignItemModel

@@ -1245,7 +1245,6 @@ public class swiftApi {
             self.sorting = dictionary["sorting"] as? Int? ?? 0
             self.ccms = nil
             self.coupon_availability = nil
-            self.coupon_img = dictionary["coupon_img"] as? String? ?? ""
 
             let startDateString = dictionary["start_date"] as? String? ?? ""
     //      Example expirationString: "start_date" = "2022-06-29 00:00:00";
@@ -1286,6 +1285,7 @@ public class swiftApi {
                 self.category_id = extra_fields["category_id"] as? String ?? ""
                 self.filter = extra_fields["filter"] as? String ?? ""
                 self.show_expiration = extra_fields["show_expiration"] as? Bool? ?? false
+                self.coupon_img = extra_fields["coupon_img"] as? String? ?? ""
             } else {
                  self.subcategory = ""
                  self.loyaltyCampaignId = ""
@@ -1299,6 +1299,7 @@ public class swiftApi {
                 self.banner_title = ""
                 self.filter = ""
                 self.show_expiration = false
+                self.coupon_img = ""
             }
             
             // let extra_fields = dictionary["extra_fields"] as AnyObject