Data Sources: Remove Admin/Data sources page in favour of Connections/Data sources (#72102)

* don't show Admin/Data sources page in navtree

* redirect from admin/datasources to connections/datasources

* update link of DS plugins to connections/datasources

* redirect edit page from datasources to connections

* redirect to new datasource page under connections

* redirect to datasouce dashboard page under connections

* fix navId on datasource dashboards page

* fix datasource dashboard page's nav

* Revert "update link of DS plugins to connections/datasources"

This reverts commit 0ebcb09b03.

pkg/services/navtree/navtreeimpl/admin.go

@@ -4,7 +4,6 @@ import (
 	ac "github.com/grafana/grafana/pkg/services/accesscontrol"
 	contextmodel "github.com/grafana/grafana/pkg/services/contexthandler/model"
 	"github.com/grafana/grafana/pkg/services/correlations"
-	"github.com/grafana/grafana/pkg/services/datasources"
 	"github.com/grafana/grafana/pkg/services/featuremgmt"
 	"github.com/grafana/grafana/pkg/services/navtree"
 	"github.com/grafana/grafana/pkg/services/pluginsintegration/pluginaccesscontrol"
@@ -18,16 +17,6 @@ func (s *ServiceImpl) getAdminNode(c *contextmodel.ReqContext) (*navtree.NavLink
 	orgsAccessEvaluator := ac.EvalPermission(ac.ActionOrgsRead)
 	authConfigUIAvailable := s.license.FeatureEnabled("saml")
 
-	if hasAccess(datasources.ConfigurationPageAccess) {
-		configNodes = append(configNodes, &navtree.NavLink{
-			Text:     "Data sources",
-			Icon:     "database",
-			SubTitle: "Add and configure data sources",
-			Id:       "datasources",
-			Url:      s.cfg.AppSubURL + "/datasources",
-		})
-	}
-
 	// FIXME: while we don't have a permissions for listing plugins the legacy check has to stay as a default
 	if pluginaccesscontrol.ReqCanAdminPlugins(s.cfg)(c) || hasAccess(pluginaccesscontrol.AdminAccessEvaluator) {
 		configNodes = append(configNodes, &navtree.NavLink{