Dynamic Sponsor Category Display for DevOpsDays Website

[SeifElbayomi]

Problem: The current display of all sponsor categories on the DevOpsDays website, including those without sponsors, may deter potential sponsors due to perceived lack of participation. Example:

Suggested Enhancement: Implement a backend feature that allows event organizers to choose whether to display empty sponsor categories. This will enable organizers to manage the visibility of sponsor categories dynamically based on their preference instead of commenting it out. Example:

[SeifElbayomi]

Could a maintainer please add the enhancement label to this issue?

[mattstratton]

Fixed in #14323