Hi, sorry for the delay on this.
We have identified this issue being because of how Bitnami configures Typo3 to work on a prefix URL (e.g. /typo3). You can easily fix this issue on your side by moving it to root (/):
sudo /opt/typo3-9.5.8-4/apps/typo3/bnconfig --appurl /
The more detailed explanation is that it is trying to remove prefix from included JS/CSS files depending on the app root (e.g. remove prefix from /opt/bitnami/apps/typo3/public/somepath/myfile.php to extract somepath/myfile.php), but this does not work properly if the application uses an Apache alias.
I've created an internal task for fixing the stack, so it runs on / by default.