[system repo admin] fix, improvement, supplement, clean

static/scripts/sysadmin-app/collection/trash-repos.js

@@ -8,9 +8,16 @@ define([
 
     var TrashRepoCollection = Backbone.Collection.extend({
         model: TrashRepoModel,
+
         url: function () {
             return Common.getUrl({name: 'admin-trash-libraries'});
+        },
+
+        parse: function(data) {
+            this.search_owner = data.search_owner;
+            return data.repos;
         }
+
     });
 
     return TrashRepoCollection;