fix ().getWindow() is undefined (#445)

.config/ags/user_options.js

@@ -11,6 +11,9 @@ const userConfigOptions = {
             'prevTab': "Ctrl+Page_Up",
         },
     },
+    'sidebar': {
+        'imageAllowNsfw': true,
+    },
 }
 
 export default userConfigOptions;