issue on Group Category Module with the "available for order" fonctionnality and the comparison fonctionnality

Hello
First issue
When I use the "available for order" fonctionnality for delete the add button, it don't work on Group Category Module. That button still display.

Second issue
Still on Group Category Module, when I click on comparison button, it don't change state for saing that this product has been added on comparison list

Thank you

Best regards