Allow specifying different foreign key facets per table in TPT, TPC or entity splitting

Split off from #19811
``` C#
modelBuilder.Entity().ToTable("Customer");
modelBuilder.Entity().ToTable("SpecialCustomer", tb =>
{
tb.HasForeignKey(c => c.Id)
.IsRequired(false)
.HasConstraintName("FK_CustomerDetails_Customer");
});
```

Alternative API:
``` C#
modelBuilder.Entity().HasOne().WithOne()
.HasForeignKey(c => c.Id)
.IsRequired(false)
.ToTables("CustomerDetails", "Customer", tb => tb.HasConstraintName("FK_CustomerDetails_Customer"));
```