Description of problem:

Logo is not aligned correctly after we migrated the app to MUI v5.

Prerequisites (if any, like setup, operators/versions):

None

Steps to Reproduce

1. Checkout https://github.com/janus-idp/backstage-plugins
2. yarn install
3. yarn dev

Actual results:

Logo in the backstage app has no margin on the left

Expected results:

Logo in the backstage app should have some margin on the left

Reproducibility (Always/Intermittent/Only Once):

Always

Build Details:

main branch, no build available for that repo

Additional info (Such as Logs, Screenshots, etc):

MUI v4 vs v5 issue