public MicrosoftAccount(MicrosoftIdentity identity, EmailIdentity email, string?firstName, string?lastName)
{
Identity = identity;
Email = email;
FirstName = firstName;
LastName = lastName;
}
public void AddMicrosoft(MicrosoftIdentity identity, string name)
{
var now = DateTime.UtcNow;
_identities.Add(new MicrosoftIdentityModel(identity.Value, name, now));
UpdatedAt = now;
}