webstaff: mark some egEmbedFrame bindings as optional

This gets rid of some noise in the browser console.

Signed-off-by: Galen Charlton <gmc@esilibrary.com>

diff --git a/Open-ILS/web/js/ui/default/staff/services/eframe.js b/Open-ILS/web/js/ui/default/staff/services/eframe.js
index e312ba6..6aa377c 100644 (file)
--- a/Open-ILS/web/js/ui/default/staff/services/eframe.js
+++ b/Open-ILS/web/js/ui/default/staff/services/eframe.js
@@ -13,11 +13,11 @@ angular.module('egCoreMod')
 
             // optional hash of functions which augment or override 
             // the stock xulG functions defined below.
-            handlers : '=',
-            frame : '=',
+            handlers : '=?',
+            frame : '=?',
 
             // called after onload of each new iframe page
-            onchange : '=',
+            onchange : '=?',
             saveSpace : '@',
         },