WYSIWYG -> table -> Background color doesn't work #5715

Describe the Bug

BookStack v25.05.2 (the latest release as of 16/07/25)
Zen Browser (but it also present on Google Chrome)
It is impossible to add background color to the table line and to the any text paragraph outside the table. Instead of the background color it changes text color.

Steps to Reproduce

1. Create a page
2. Add a table on the page with WYSIWYG editor
3. Try to change the background color

Expected Behaviour

This video demonstrates the issue
https://github.com/user-attachments/assets/c98c310d-c9d1-4f73-8160-af9e8807737d

Screenshots or Additional Context

No response

Browser Details

Zen Browser 1.14.5b (Firefox 140.0.4) (64-bit)

Exact BookStack Version

BookStack v25.05.2 (the latest release as of 16/07/25)