make every button that requires an account pop up a login prompt

frontend/src/components/ProfileBar.jsx

@@ -1,10 +1,8 @@
-import { useState } from 'react'
-import { useAuth } from '../auth'
-import AuthModal from './AuthModal'
+import { useAuth, useAuthModal } from '../auth'
 
 export default function ProfileBar() {
   const { user, loading, logout } = useAuth()
-  const [showAuth, setShowAuth] = useState(false)
+  const { openAuthModal } = useAuthModal()
 
   return (
     <>
@@ -26,12 +24,11 @@ export default function ProfileBar() {
             </button>
           </div>
         ) : (
-          <button className="btn btn-primary" onClick={() => setShowAuth(true)}>
+          <button className="btn btn-primary" onClick={openAuthModal}>
             Войти
           </button>
         )}
       </div>
-      {showAuth && <AuthModal onClose={() => setShowAuth(false)} />}
     </>
   )
 }