perf: 重构工单处理流程 (#5408)

* perf: 重构工单处理流程

* perf: 重构工单处理流程 (1)

* perf: 重构工单处理流程 (2)

* perf: 重构工单处理流程 (3)

* perf: 重构工单处理流程 (4)

* perf: 重构工单处理流程 (5)

* perf: 重构工单处理流程 (6)

Co-authored-by: Bai <bugatti_it@163.com>

apps/tickets/signals_handler/comment.py

@@ -0,0 +1,9 @@
+from django.db.models.signals import pre_save
+from django.dispatch import receiver
+
+from ..models import Comment
+
+
+@receiver(pre_save, sender=Comment)
+def on_comment_pre_save(sender, instance, **kwargs):
+    instance.set_display_fields()