It's not something that can be worked around. It's specifically a design feature of manifest v3 to restrict these types of things.
Your options are to accept this or use a different browser.
Sadly the element blocker is one piece that was stripped away due to the limitations of the new V3 requirements
The 'block element' picker is the big one that can not be implemented in the lite version.
Also included block lists can't update unless the extension itself updates.
It certainly will after it kills Manifest v2 entirely soon. goodbye good version of ublock
If you're planning for this type of failure, what you probably want instead is Aurora from the Universal Blue project. Since it's fedora silverblue underneath, your OS either updates all at once or doesn't.