feat(web): require login only for candidates and system

reaction_board/web/static/router.js

@@ -125,6 +125,10 @@ async function render(options = {}) {
     finishRender();
     return;
   }
+  if (matched.route.beforeEnter && matched.route.beforeEnter() === false) {
+    finishRender();
+    return;
+  }
   current = { path, query, route: matched.route };
   for (const listener of listeners) {
     try {