fix: reload viewer page after login

public/login.html

@@ -147,6 +147,7 @@
       try {
         const res = await fetch('/api/login', {
           method: 'POST',
+          credentials: 'same-origin',
           headers: { 'Content-Type': 'application/json' },
           body: JSON.stringify({ role: 'admin', password: input.value })
         });