如何在EF核心代码优先方法中将前台键添加到aspnetroles表中？

public class ApplicationRole : IdentityRole<Guid>
{
    public string FrontendKey { get; set; }
}

public class ApplicationDbContext : IdentityDbContext<ApplicationUser, ApplicationRole, Guid>
{
    public ApplicationDbContext(DbContextOptions<ApplicationDbContext> options)
        : base(options)
    {
    }

    protected override void OnModelCreating(ModelBuilder modelBuilder)
    {
        base.OnModelCreating(modelBuilder);
        modelBuilder.Entity<ApplicationRole>().Property(r => r.FrontendKey).HasMaxLength(50).IsRequired();
    }
}

dotnet ef migrations add AddFrontendKeyToRoles
dotnet ef database update

var roleManager = serviceProvider.GetRequiredService<RoleManager<ApplicationRole>>();

var newRole = new ApplicationRole
{
    Name = "Admin",
    NormalizedName = "ADMIN",
    FrontendKey = "admin-role-key"
};

await roleManager.CreateAsync(newRole);