Managed objects (#519)

* managed: add base manager and Ops

* core: use ManagedModel for Token and PropertyMapping

* providers/saml: implement managed objects for SAML Provider

* sources/ldap: migrate to managed

* providers/oauth2: migrate to managed

* providers/proxy: migrate to managed

* *: load .managed in apps

* managed: add reconcile task, run on startup

* providers/oauth2: fix import path for managed

* providers/saml: don't set FriendlyName when mapping is none

* *: use ObjectManager in tests to ensure objects exist

* ci: use vmImage ubuntu-latest

* providers/saml: add new mapping for username and user id

* tests: remove docker proxy

* tests/e2e: use updated attribute names

* docs: update SAML docs

* tests/e2e: fix remaining saml cases

* outposts: make tokens as managed

* *: make PropertyMapping SerializerModel

* web: add page for property-mappings

* web: add codemirror to common_styles because codemirror

* docs: fix member-of in nextcloud

* docs: nextcloud add admin

* web: fix refresh reloading data two times

* web: add loading lock to table to prevent double loads

* web: add ability to use null in QueryArgs (value will be skipped)

* web: add hide option to property mappings

* web: fix linting

tests/e2e/test_provider_oauth2_github.py

@@ -33,7 +33,7 @@ class TestProviderOAuth2Github(SeleniumTestCase):
     def get_container_specs(self) -> Optional[Dict[str, Any]]:
         """Setup client grafana container which we test OAuth against"""
         return {
-            "image": "docker.beryju.org/proxy/grafana/grafana:7.1.0",
+            "image": "grafana/grafana:7.1.0",
             "detach": True,
             "network_mode": "host",
             "auto_remove": True,