perf: automation task name validate (#9690)

Co-authored-by: feng <1304903146@qq.com>

apps/accounts/serializers/automations/base.py

@@ -38,7 +38,7 @@ class BaseAutomationSerializer(PeriodTaskSerializerMixin, BulkOrgResourceModelSe
         }
 
     def validate_name(self, name):
-        if self.instance:
+        if self.instance and self.instance.name == name:
             return name
         if BaseAutomation.objects.filter(name=name, type=self.model_type).exists():
             raise serializers.ValidationError(_('Name already exists'))