Add-On store can render “Show 0 More” button, which button does nothing

With OH 5.1.0 build 4852 `http://…/addons/automation/` puts a button with label “Show 0 More”.

The system should recognize that this makes no sense and do not distract by showing the button.

<img width="1892" height="567" alt="Image" src="https://github.com/user-attachments/assets/d9a13905-848a-44e8-9d3c-877b217a3ce6" />