fix(gitea): 申请记录补传 UserGiteaAccountUUID 主键，修复 Duplicate entry '\x00'

创建 UserGiteaAccount 时漏传主键 UserGiteaAccountUUID，UUIDField 无默认值导致主键存全零字节，第二次申请触发 MySQL 主键冲突；与 mail.py 模式对齐补 uuid4().bytes

gvsds/apps/gerp/views/gitea.py

@@ -14,6 +14,7 @@ URL 路径最后一段作为 action 名称，无需前端额外传 Action 字段
 """
 import logging
 import re
+import uuid
 
 from rest_framework.permissions import IsAuthenticated
 from rest_framework.response import Response
@@ -187,6 +188,7 @@ class GiteaApplyView(ELTAuthenticatedAPIView):
             return Response({'code': 1, 'msg': f'加入组织失败: {e}'}, status=502)
 
         UserGiteaAccount.objects.create(
+            UserGiteaAccountUUID=uuid.uuid4().bytes,
             UserUUID=request.user,
             GiteaLogin=login,
             GiteaUserId=gitea_user_id,