Styles from Claro admin theme are interfering with XB React app styles

This is because CSS scope() is still an experimental feature in Firefox that needs to be enabled. There was a decision that we should go ahead with scope() as its addition was inevitable, but it might not be standard until later this year (2025) according to the FF team. Given that XB might have users prior to scope() working with FF out-of-the-box, we might need to come up with a workaround.