fix frontend calendar race states

frontend/src/app/layouts/AppLayout.tsx

@@ -1,11 +1,13 @@
-import { NavLink, Outlet } from "react-router-dom";
+import { Link, NavLink, Outlet } from "react-router-dom";
 import { AppShellFooter } from "./AppShellFooter";
 
 export function AppLayout(): JSX.Element {
   return (
     <div className="app-shell">
       <header className="app-shell__header">
-        <div className="app-shell__brand">Календарь стартов</div>
+        <Link className="app-shell__brand" to="/">
+          Календарь стартов
+        </Link>
         <nav className="app-shell__nav" aria-label="Основная навигация">
           <NavLink
             to="/"