order urls fix intendent and order item verbose name udpate

backend/order/admin.py

@@ -1,6 +1,6 @@
 from django.contrib import admin
 from .models import *
-from unfold.admin import ModelAdmin, TabularInline
+from unfold.admin import ModelAdmin, TabularInline, StackedInline
 
 from import_export.admin import ImportExportModelAdmin
 from unfold.contrib.import_export.forms import ExportForm, ImportForm, SelectableFieldsExportForm
@@ -8,7 +8,7 @@ from unfold.contrib.forms.widgets import ArrayWidget, WysiwygWidget
 from django.contrib.postgres.fields import ArrayField
 
 
-class OrderItemModelInline(TabularInline):
+class OrderItemModelInline(StackedInline):
     model = OrderItemModel
     extra = 0
     max_num = 0