possible conflict with ckeditor_codemirror D10 branch

Problem/Motivation

make sure this module is compatible doesn't break ckeditor5 when ckeditor_codemirror is used

Steps to reproduce

install this project, install ck 4 ck 5 and ckeditor_codemirror highest branch version, configure text formats ck4 and ck5 different formats, make sure codemirror is working in all of them

Proposed resolution

TBD

Remaining tasks

TBD

User interface changes

TBD

API changes

TBD

Data model changes

TBD