perf: 修改 rbac tree (#7743)

* perf: 修改 rbac tree

* perf: 修改verbose name

* fix: 修复系统用户

* fix: 还原 xpack

Co-authored-by: ibuler <ibuler@qq.com>

apps/common/migrations/0007_permission.py

@@ -19,6 +19,7 @@ class Migration(migrations.Migration):
             ],
             options={
                 'permissions': [('view_resourcestatistics', 'Can view resource statistics')],
+                'verbose_name': 'Common permission'
             },
         ),
     ]