Add folder name to dashboard title (#12545)

* Add folder name to dashboard title. No display on medium displays and below

* Compare folderId instead

* folderId bigger than 0

public/app/features/dashboard/dashnav/dashnav.html

@@ -3,7 +3,7 @@
 	<div>
 		<a class="navbar-page-btn" ng-click="ctrl.showSearch()">
 			<i class="gicon gicon-dashboard"></i>
-			{{ctrl.dashboard.title}}
+			<span ng-if="ctrl.dashboard.meta.folderId > 0" class="navbar-page-btn--folder">{{ctrl.dashboard.meta.folderTitle}} / </span>{{ctrl.dashboard.title}}
 			<i class="fa fa-caret-down"></i>
 		</a>
 	</div>

public/sass/components/_navbar.scss

@@ -85,6 +85,14 @@
     // icon hidden on smaller screens
     display: none;
   }
+
+  &--folder {
+    color: $text-color-weak;
+
+    @include media-breakpoint-down(md) {
+      display: none;
+    }
+  }
 }
 
 .navbar-buttons {