CSS Issues when BASE_PATH is set

[mngan]

Peering Manager version

v1.9.3

Python version

3.12

Steps to Reproduce

1. Configure BASE_PATH in extra.py
2. Launch peering-manager docker container
3. Login as admin

Expected Behavior

Front page should render correctly and the dark/light mode toggle should work

Observed Behavior

Peering Manager Logo appears twice and dark/light mode toggle doesn't work