fixes login page in tenant admin pwa

resources/js/admin/auth/context.tsx

@@ -51,6 +51,10 @@ async function exchangeSessionForToken(): Promise<{ token: string; abilities: st
       credentials: 'same-origin',
     });
 
+    if (response.status === 204) {
+      return null;
+    }
+
     if (!response.ok) {
       return null;
     }