added new fkey to tbl_widget for system.tbl_berechtigung; check for permission status during load & in widget picker; if widget was already picked/configured but not permitted anymore -> show a generalized "missing permission" screen via fallback component during widget init;

application/controllers/api/frontend/v1/dashboard/Widget.php

@@ -101,6 +101,9 @@ class Widget extends FHCAPI_Controller
 			$tmpsetup = json_decode($widget->setup);
 			$tmpsetup->file = absoluteJsImportUrl($tmpsetup->file);
 			$widget->setup = $tmpsetup;
+			$widget->permitted = empty($widget->berechtigung_kurzbz) 
+				|| $this->permissionlib->isBerechtigt($widget->berechtigung_kurzbz);
+
 			return $widget;
 		}, $widgets);