[FIX] web_responsive: Menu Height on Init

* Add a call to the window resize method during init to fix OCA#773

web_responsive/static/src/js/web_responsive.js

@@ -85,6 +85,7 @@ odoo.define('web_responsive', function(require) {
                 '-': this.LEFT,
             };
             this.initDrawer();
+            this.handleWindowResize();
             var $clickZones = $('.odoo_webclient_container, ' +
                                 'a.oe_menu_leaf, ' +
                                 'a.oe_menu_toggler, ' +