Making screenshots in 'viewport' mode does not respect browser resolution

[wsbaser]

Hello,
I've created visual regression tests using cypress, but I'm having a problem with making screenshots for the areas of the page that have scrollbars. To solve the problem I've tried to increase browser resolution using the approach from this article https://www.cypress.io/blog/2021/03/01/generate-high-resolution-videos-and-screenshots/
It works. When I make screenshot in 'runner' mode, then everything is fine. Window size is increased and I do not see the scrollbars.

But when I use
cy.screenshot({capture:'viewport'})
then screenshot is taken using resolution 1920x885 and I still see the scrollbars.

Is there a possible workaround for this problem? Basically I need to make a screenshot the same as in 'runner' mode, but without a runner.

Here is the repository to reproduce the issue
https://github.com/wsbaser/cypress-wikipedia