Hi miseryguts,
sorry for the late response.
I just installed Shopera on my local installation, and I think I found the problem
As you can see in functions.php file of the theme (line 965), it removes any text from add to cart button in loop template.
I think the best solution, in this case, is to remove this filter when printing wishlist shortcode, to add it again when wishlist table is ready
You can do this simply adding this line of code at the end of the function.php file of your theme
add_action( 'yith_wcwl_before_wishlist', 'remove_shopera_filter_for_add_to_cart_text' );
function remove_shopera_filter_for_add_to_cart_text(){
remove_filter( 'woocommerce_product_add_to_cart_text', 'woo_archive_custom_cart_button_text' );
}
add_action( 'yith_wcwl_after_wishlist', 'add_shopera_filter_for_add_to_cart_text' );
function add_shopera_filter_for_add_to_cart_text(){
add_filter( 'woocommerce_product_add_to_cart_text', 'woo_archive_custom_cart_button_text' );
}
I tried this solution on my installation and here you can see the results
Let me know if this solves your problem
Have a nice day ??