Look your problem is quite natural.
Space Between the upper front teeth is termed as Midline Diastema.
Various treatment procedures are available to close the gap.(Invasive and non invasive both)
Ad your teeth are now in appropriate position and you r going to use aligners , initially there is no need for frenectomy.(?)
Next Steps
All though Without seeing your frenal attached it's not possible to suggest you anything appropriately.But frenectomy is usually done before doing any kind of treatment. As your teeth get closure now it's not necessary.
Health Tips
you may observe for certain time . If you notice that your teeth has again started moving and there is creating a space then you must do as advised by ur dr.
All though you must ask your dentist again about this.
Hope your problem may resolve soon.
keep smiling 😊.