Visual editor narrowed and is aligned to the left

Hello,

https://imgur.com/a/AFu7e4s

I can’t really tell when this issue appeard like after a theme or any specific plugin installation, the editor was fine until today, what may cause this issue and more important, how can I fix this?

I have wordpress Version 5.5.1

List of plugins used:

Autoptimize
DeepL for WordPress : translation plugin
Innovation Core – (theme plugin)
Media Cleaner
Perfmatters
Query Monitor
RunCloud Hub
Select Ultimate Blocks
Ultimate Blocks
WP Mega Menu
WP Mega Menu Pro
WP Rocket
Yoast SEO Premium

Thank you for your help in advance,
JD