[Bugfix] 修复coco启动失败(load_config_from_server)、硬件刷新，测试连接，str 没有 decode(… (#1613)

* [Bugfix] 修复coco启动失败(load_config_from_server)、硬件刷新，测试连接，str 没有 decode() method的bug

* [Bugfix] (task任务系统)修复资产连接性测试、硬件刷新和系统用户连接性测试失败等bug

apps/ops/apps.py

@@ -7,5 +7,9 @@ class OpsConfig(AppConfig):
     name = 'ops'
 
     def ready(self):
+        from orgs.models import Organization
+        from orgs.utils import set_current_org
+        set_current_org(Organization.root())
+
         super().ready()
         from .celery import signal_handler