feat: 改版需提供新批次号

apps/wpm/services.py

@@ -739,6 +739,8 @@ def handover_submit(handover:Handover, user: User, now: Union[datetime.datetime,
     recive_mgroup = handover.recive_mgroup
     recive_dept = handover.recive_dept
     
+    if handover.type == Handover.H_CHANGE:
+        handover.mtype = Handover.H_MERGE
     new_batch = handover.new_batch
     if new_batch and mtype != Handover.H_MERGE:
         raise ParseError("只有合并时才能提供新批次号")