title: Login error on ABP OpenId after update to version 5
body: <p>I updated an ABP project with OpenId MVC app. This project was on ABP 3.3 and is now on 5.3.</p>
  <p>The IdentityServer is on an API (running on port <code>5001</code>) with a custom login page. Using the admin client I can login without any trouble. My problem is with a RazorPages client (port <code>6001</code>). When I click on login button, I found the following error:</p>
  <pre><code>ComponentNotRegisteredException: The requested service 'Volo.Abp.Account.Web.Pages.Account.LoginModel' has not been registered. To avoid this exception, either register a component to provide the service, check for service registration using IsRegistered(), or use the ResolveOptional() method to resolve an optional dependency.
  </code></pre>
  <p>I noted that if I try to access a protected page, I am redirected to my custom login page (on <code>https://localhost:5001/Account/Login</code>) and it works fine, but the error is thrown only on login button, that redirects me to <code>https://localhost:6001/account/login</code>.</p>
  <p>I googled about this error, but can't find anything. <a href="https://stackoverflow.com/questions/70123995/override-abp-io-login-page">This question</a> is the only one on StackOverflow with the same error message, but isn't my problem (the custom login <em>page</em> <strong>is</strong> working, but not the login <em>button</em>).
  I read the changelogs between versions 3 and 5 and can't find any breaking changes related to login process, too.</p>
  <p>What am I missing?</p>