Auth: Fix orgrole picker disabled if isSynced user (#64033)

* fix: disable orgrolepicker if externaluser is synced

* add disable to role picker

* just took me 2 hours to center the icon

* wip

* fix: check externallySyncedUser for API call

* remove check from store

* add: tests

* refactor authproxy and made tests run

* add: feature toggle

* set feature toggle for tests

* add: IsProviderEnabled

* refactor: featuretoggle name

* IsProviderEnabled tests

* add specific tests for isProviderEnabled

* fix: org_user tests

* add: owner to featuretoggle

* add missing authlabels

* remove fmt

* feature toggle

* change config

* add test for a different authmodule

* test refactor

* gen feature toggle again

* fix basic auth user able to change the org role

* test for basic auth role

* make err.base to error

* lowered lvl of log and input mesg

packages/grafana-data/src/types/featureToggles.gen.ts

@@ -77,6 +77,7 @@ export interface FeatureToggles {
   lokiQuerySplitting?: boolean;
   lokiQuerySplittingConfig?: boolean;
   individualCookiePreferences?: boolean;
+  onlyExternalOrgRoleSync?: boolean;
   drawerDataSourcePicker?: boolean;
   traceqlSearch?: boolean;
   prometheusMetricEncyclopedia?: boolean;