Dev Portal sidebar disappears when the window size decreases

### Required Pre-requisites

- [x] I have read the [Documentation](https://www.aci.dev/docs)
- [x] I have searched the [Issue Tracker](https://github.com/aipotheosis-labs/aci/issues) and [Discussions](https://github.com/aipotheosis-labs/aci/discussions) that this hasn't been reported yet.
- [x] Consider asking in [Discussions](https://github.com/aipotheosis-labs/aci/discussions) first

### Description

Dev Portal sidebar disappears when the window size decreases.

https://github.com/user-attachments/assets/51187760-cfde-4191-94b0-8c39e8aaf746

We need to fix this so that when the window size decreases, the sidebar just collapses instead of disappear.

### Additional context

_No response_