Can you straighten her toes out without too much pain? I would make a foot splint with padding to uncurl the toes. Something L-shaped, padding, and some vet wrap would do it. Homemade would work, cardboard, or something like the picture below. This is common with a nerve injury I think.
https://i.etsystatic.com/23340738/r/il/456b00/3332518564/il_1588xN.3332518564_khi7.jpg
https://i.etsystatic.com/23340738/r/il/456b00/3332518564/il_1588xN.3332518564_khi7.jpg