partner_credit_limit_pos: fix some issues

partner_credit_limit_pos/static/src/js/main.js

@@ -1,4 +1,5 @@
 openerp.partner_credit_limit_pos = function(instance) {
+    _t = instance.web._t;
     instance.point_of_sale.PaymentScreenWidget.include({
         validate_order: function(options) {
             var self = this,
@@ -16,15 +17,20 @@ openerp.partner_credit_limit_pos = function(instance) {
                     }).fail(
                     function(error, event) {
                         if (error.code == 200) {
-                            self.pos_widget.screen_selector.show_popup('error-traceback', {
-                                message: error.data.message,
-                                comment: error.data.debug
+                            self.pos_widget.screen_selector.show_popup('error', {
+                                message: _t('POS Order cannot be validated.'),
+                                comment: error.data.message,
+                            });
+                        } else {
+                            self.pos_widget.screen_selector.show_popup('error', {
+                                message: _t('Error: Could not check partner credit limit.'),
+                                comment: _t('Your Internet connection is probably down.'),
                             });
                         }
                         event.preventDefault();
                     });
             } else {
-                return this._super.apply(self, arguments);
+                return super_.apply(self, args);
             }
         },
     });