Hello, @Yan,
1. In order to display the full product name in the Wishlist Off-canvas, please navigate to XStore > Theme Option > Header Builder > Wishlist > MINI-WISHLIST DROPDOWN > Mini-Wishlist Computed Box and set the Right and Left padding to 0px. Please refer to the image provided at the following link: https://ibb.co/5kf49ht.
2. In order to display the product name in full in the “CART” Off-canvas, please navigate to XStore > Theme Option > Header Builder > Cart > MINI-CART DROPDOWN > Mini-Cart Computed Box > Set Right and Left padding 0px and Publish it. Please refer to the image provided: https://ibb.co/nsXTNt8
We hope this helps.
Best regards,
8Theme’s Team