fix inventory balanve & remaining - import provider name in device serializer

apps/pos_device/web/api/v1/serilaizers/device.py

@@ -13,6 +13,14 @@ class DeviceSerializer(ModelSerializer):
         model = pos_models.Device
         fields = '__all__'
 
+    def to_representation(self, instance):
+        """ custom output of serializer """
+        representation = super().to_representation(instance)
+
+        representation['company'] = {'name': instance.company.name_fa}
+
+        return representation
+
 
 class DeviceVersionSerializer(ModelSerializer):
     class Meta: