Вывод в админ панели Django

user = models.ForeignKey(User, on_delete = models.CASCADE, null=True)

class Support(models.Model):
 
    APPLICATION_STATUS_CHOICES = [
    ('ОК', 'Обрабатывается'),
    ('ПР', 'Принято'),
    ('ОТ', 'Отказ'),
    ]
 
    TYPE_QUESTION_CHOICES = [
        ("RN","Возврат"),
        ("WC","Гарантийный случай"),
        ("EX","Обмен"),
        ("RP","Ремонт"),
    ]
    header = models.CharField(verbose_name='Заголовок', max_length=100)
    question = models.TextField(verbose_name='Описание вопроса', null=True, blank = True)
    type_question = models.CharField(max_length=2, choices=TYPE_QUESTION_CHOICES, default='ОК')
    date_create = models.DateField()
    application_status = models.CharField(max_length=2, choices= APPLICATION_STATUS_CHOICES, default='RN')
    date_change_status = models.DateField(auto_now=True)
    user = models.ForeignKey(User, on_delete = models.CASCADE, null=True)

class SupportAdmin(admin.ModelAdmin):
    list_display = ['header', 'question', 'type_question', 'date_create','application_status','date_change_status', 'user']
    list_editable = ['type_question','application_status']
 
 
admin.site.register(Support, SupportAdmin)

class SupportAdmin(admin.ModelAdmin):
    list_display = ['header', 'question', 'type_question', 'date_create','application_status','date_change_status', 'user']
    list_editable = ['type_question','application_status']
    def save_model(self, request, obj, form, change):
        if not change:
            obj.user = request.user
        super().save_model(request, obj, form, change)