Updated: Refactor deprecated variable usage for php8. Bugfix

[brookinsconsulting]

Hello @emodric

Today I write with another simple lib/eztemplate related bugfix that prevents warnings with display_errors enabled.

Thank you for your continued support!

Cheers, Brookins Consulting

[brookinsconsulting]

Sorry the problem is there but this fix by itself is not enough to prevent the admin from breaking