Fixed inventory items photo thumbnail issue

kifi-app/lib/features/inventory/domain/inventory_item.dart

@@ -21,6 +21,7 @@ class InventoryItem {
   final int? vendorId;
   final int? branchId;
   final String? purchaseRef;
+  final String? photoUrl;
   final String? status;
   final DateTime? createdAt;
 
@@ -47,6 +48,7 @@ class InventoryItem {
     this.vendorId,
     this.branchId,
     this.purchaseRef,
+    this.photoUrl,
     this.status,
     this.createdAt,
   });
@@ -75,6 +77,7 @@ class InventoryItem {
       vendorId: json['vendorId'],
       branchId: json['branchId'],
       purchaseRef: json['purchaseRef'],
+      photoUrl: json['photoUrl'] ?? json['photo_url'],
       status: json['status'],
       createdAt: json['createdAt'] != null ? DateTime.parse(json['createdAt']) : null,
     );