move premium check to middleware

[dmitrykulakovfrontend]

Fixes Issue

Closes #9630

Changes proposed

Update JWT, refactor middleware.js, remove premium checks in getServerSideProps and move them to middleware.js

Check List (Check all the applicable boxes)

• [x] My code follows the code style of this project.
• [ ] My change requires changes to the documentation.
• [ ] I have updated the documentation accordingly.
• [x] All new and existing tests passed.
• [x] This PR does not contain plagiarized content.
• [x] The title of my pull request is a short description of the requested changes.

[eddiejaoude]

Thank you for making the changes. Could you check your Prettier settings, it looks like extra lines are being reformatted, which makes it more difficult to review "actual" changes

[dmitrykulakovfrontend]

I'm apologizing for the issue with prettier, it should be fixed now

[eddiejaoude]

I'm apologizing for the issue with prettier, it should be fixed now

thank you 👍 sorry for my slow reply, I will be looking at this PR next

[eddiejaoude]

I can fix the conflicts, as it has conflicted with my changes