Auto roll up when choes variants size

[Roeiam]

Hi i am trying to change the behaviour that when I click on size variants there is a auto roll up i want the auto roll up will be only when I pick color and nit when i pick size

Can’t upload here the video if this behaviour but you can see with this link

https://flexmoreil.com/products/פלקסמור-נורד-נעלי-יחפנים-אורטופדיות-לחורף