[FIX] Mail: mail.js Favorite search loading

In Messaging, default filters were never loaded because the action
wasn't given as argument to the searchview initialization. The action is
required for the filters to be loaded since rev. 5cd78b891b.

addons/mail/static/src/js/mail.js

@@ -1981,7 +1981,10 @@ openerp.mail = function (session) {
         load_searchview: function (defaults) {
             var self = this,
                 ds_msg = new session.web.DataSetSearch(this, 'mail.message'),
-                options = { $buttons: this.$('.oe-search-options') };
+                options = {
+                    $buttons: this.$('.oe-search-options'),
+                    action: this.action,
+                };
             this.searchview = new session.web.SearchView(this, ds_msg, false, defaults || {}, options);
             this.searchview.on('search_data', this, this.do_searchview_search);
             this.searchview.appendTo(this.$('.oe-view-manager-search-view')).then(function () {