fix(signinup): several issues (#12698)

- Fixed an issue where you have invitations in your available workspaces
for signup.
- Corrected the URL display in the browser when hovering over the twenty
logo on the sign-in/up form.
- The workspace list is now displayed when you are logged into the
default domain.

packages/twenty-front/src/modules/domain-manager/hooks/useReadDefaultDomainFromConfiguration.ts

@@ -10,7 +10,11 @@ export const useReadDefaultDomainFromConfiguration = () => {
     ? `${domainConfiguration.defaultSubdomain}.${domainConfiguration.frontDomain}`
     : domainConfiguration.frontDomain;
 
+  const defaultUrl = new URL(window.location.href);
+  defaultUrl.hostname = defaultDomain;
+
   return {
     defaultDomain,
+    defaultUrl,
   };
 };