PublicDashboards: Add setting to disable the feature (#78894)

* Replace feature toggle with configuration setting

* Fix permission alert

* Update documentation

* Add back feature toggle

* revert unwanted commited changes

* fix tests

* run prettier

* Update SharePublicDashboard.test.tsx

* fix linter and frontend tests

* Update api.go

* Apply docs edit from code review

Co-authored-by: Isabel <76437239+imatwawana@users.noreply.github.com>

* Update index.md

* Update docs/sources/setup-grafana/configure-grafana/feature-toggles/index.md

Co-authored-by: Agnès Toulet <35176601+AgnesToulet@users.noreply.github.com>

* Update docs/sources/setup-grafana/configure-grafana/_index.md

Co-authored-by: Agnès Toulet <35176601+AgnesToulet@users.noreply.github.com>

* add isPublicDashboardsEnabled + test

* fix test

* update ff description in registry

* move isPublicDashboardsEnabled

* revert getConfig() update

---------

Co-authored-by: Isabel <76437239+imatwawana@users.noreply.github.com>
Co-authored-by: Christopher Moyer <35463610+chri2547@users.noreply.github.com>

pkg/services/publicdashboards/api/common_test.go

@@ -40,11 +40,12 @@ import (
 func setupTestServer(
 	t *testing.T,
 	cfg *setting.Cfg,
-	features *featuremgmt.FeatureManager,
 	service publicdashboards.Service,
-	db db.DB,
 	user *user.SignedInUser,
+	ffEnabled bool,
 ) *web.Mux {
+	t.Helper()
+
 	// build router to register routes
 	rr := routing.NewRouteRegister()
 
@@ -56,9 +57,18 @@ func setupTestServer(
 	// set initial context
 	m.Use(contextProvider(&testContext{user}))
 
-	// build api, this will mount the routes at the same time if
-	// featuremgmt.FlagPublicDashboard is enabled
-	ProvideApi(service, rr, ac, features, &Middleware{})
+	features := featuremgmt.WithFeatures()
+	if ffEnabled {
+		features = featuremgmt.WithFeatures(featuremgmt.FlagPublicDashboards)
+	}
+
+	if cfg == nil {
+		cfg = setting.NewCfg()
+		cfg.PublicDashboardsEnabled = true
+	}
+
+	// build api, this will mount the routes at the same time if the feature is enabled
+	ProvideApi(service, rr, ac, features, &Middleware{}, cfg)
 
 	// connect routes to mux
 	rr.Register(m.Router)