bug: Classic View is broken

[Freeplayg]

💡 Summary

Sidebars are not stuck to the sides when scrolling down

I was also wondering if it would be possible to do sort of do the same thing I had done in these pull requests ?
https://codeberg.org/firefish/firefish/pulls/10097
https://codeberg.org/firefish/firefish/pulls/10122

🥰 Expected Behavior

sidebars should have position fixed or sticky

🤬 Actual Behavior

📝 Steps to Reproduce

scroll down

💻 Frontend Environment

* Model and OS of the device(s): Fedora 36, Gnome
* Browser: Firefox
* Server URL: plasmatrap.com
* Misskey: Sharkey v2023.11.2.beta1

🛰 Backend Environment (for server admin)

* Installation Method or Hosting Service:
* Misskey:
* Node:
* PostgreSQL:
* Redis:
* OS and Architecture:

[Insert5StarName]

seems like this should be a simple fix, i can also look into porting the pr's over tho it might be more difficult due to the fact misskey v13 fe is very different to misskey v12 fe