Fixes paginated_citations method and corrects post count in PostContainer tabs

[cindywu]

This PR fixes two bugs introduced in https://github.com/jellypbc/poster/pull/343.

1. citations tab on collection page showing no posts when posts exist
2. PostContainer tabs showing count of 10 posts when total posts > 10

• [x] fixes paginate_citations method to return citation posts
• [x] fixes PostContainer tabs to show accurate post count
• [x] updates footer Blog path

after:

before:

[linear[bot]]

JEL-249 fix postcontainer bugs

* [X] update footer to use jellypbc.com/blog instead of jellypbc.com * [ ] fix citations showing none for collection page * [ ] fix posts and citations count for PostsContainer tab