Just disable both redirects in admin panel
Redirects
Redirect blog articles
When enabled, this extension will redirect original discussion URLs to their blog URL.
Redirect blog tags
When enabled, this extension redirects blog tag URLs to the blog category URL.
After that you should be able to access discussions in both ways (as blog page or normal discussion)
Flarum.localhost/blog
will bring you to blog page and the any article choosen will brings you to blog type link
Flarum.localhost/blog/1234
Or you can still navigate it through flarum tags or forum discussion and the you will come into standard link like:
Flarum.localhost/d/1234
Where 1234
is discussion ID
Untick as well
Don't show on discussion list
Hide blog posts from the discussions list.
Hide tags in taglist
When enabled, this extension will hide the blog tags from your homepage.