Unless I’m missing something, this approach will lead to unexpected results if the second pagination call is different than the first.
https://gohugo.io/templates/pagination/#caching
The most common templating mistake related to pagination is invoking pagination more than once for a given list page.
This might be helpful:
https://discourse.gohugo.io/t/pagination-using-pager-values-within-the-head-element/50340