[FIX] account: event on onFilterChange

Before this commit, on the reconciliation widget in Firefox
filtering lines through the input triggered a Traceback
This was due to the use of the absence of a defined "event" parameter on the handler

After this commit, filtering does work as expected

opw 813791

addons/account/static/src/js/reconciliation/reconciliation_renderer.js

@@ -613,7 +613,7 @@ var LineRenderer = Widget.extend(FieldManagerMixin, {
     /**
      * @private
      */
-    _onFilterChange: function () {
+    _onFilterChange: function (event) {
         this.trigger_up('change_filter', {'data': _.str.strip($(event.target).val())});
     },
     /**