feat(k8s/volumes): introduce storage rollup panel (#4055)

* feat(k8s/applications): storages rollup panel

* feat(k8s/volumes): move storages table to volumes view

* feat(k8s/volumes): minor UI update

* feat(k8s/volumes): remember the selected tab

* feat(api/k8s): update user default policies

* feat(k8s/ui): minor UI update

Co-authored-by: Anthony Lapenna <lapenna.anthony@gmail.com>

api/kubernetes/cli/role.go

@@ -13,6 +13,11 @@ func getPortainerUserDefaultPolicies() []rbacv1.PolicyRule {
 			Resources: []string{"namespaces", "nodes"},
 			APIGroups: []string{""},
 		},
+		{
+			Verbs:     []string{"list"},
+			Resources: []string{"storageclasses"},
+			APIGroups: []string{"storage.k8s.io"},
+		},
 	}
 }