T4 - User Dashboard - Sidebar Menu Does Not Collapse

I am having a slight styling issue on my user's dashboard pages.

It appears that the accordion menu in the extension's sidebar does not collapse or expand.

Also, the extensions sidebar goes on top and below the footer.

I can confirm that this issue is not present on SP and Cassiopeia:

See "Video URL" field above for the video link.

I have added the following details in the"FTP info" field:

Please note you must login as a users to access the user dashboard with the issue.

Literally took me 6 hours to figure out why this does not work.

Finally, got lucky.

This is caused when the "JS Optimization" is enabled:

Joomla Admin > System > Site Template Styles > T4 Template > Global Settings > JS Optimization > Enabled

In fact, it was causing many issues including the following:

Please close this ticket.