ZP-1284 Fix problem with init on sink init with cache; we need to call Stat

there and populate the structure.  Released under the Affero GNU General
Public License (AGPL) version 3.

src/backend/stickynote/stickynote.php

@@ -132,7 +132,8 @@ class BackendStickyNote extends BackendDiff {
      */
     public function GetFolderList() {
         $folders = array();
-	$folders[] = "Notes";
+	$folder = $this->StatFolder("N");
+	$folders[] = $folder;
         return $folders;
     }