Error finishing plugin update

When updating plugins to version 4.0.0, the new `styles_props` setting has a bug that prevents the plugin from installing properly; the screen shown below gets stuck in a loop. 

This also occurs with mod_exescorm.

<img width="1532" height="1065" alt="Image" src="https://github.com/user-attachments/assets/ede2838f-ccef-4091-ab9d-5e2740ab8dd3" />