There are two "names" a Strand can have: Strand.name and Strand.idt.name. This is confusing, and it is especially confusing if a user edits Strand.name and exports to IDT, but doesn't see the IDT name changed.

Remove the name field from the IDT fields, and simply use the field Strand.name (if it exists) when exporting to an IDT file.

See also UC-Davis-molecular-computing/scadnano#560.