[Bug] editor.readOnly.isEnabled does not update

[matt-savage]

Describe a bug.

Steps to reproduce:

1. console.log(editor.readOnly.isEnabled) outputs true
2. editor.readOnly.toggle();
3. console.log(editor.readOnly.isEnabled) outputs true

Expected behavior:

1. console.log(editor.readOnly.isEnabled) outputs true
2. editor.readOnly.toggle();
3. console.log(editor.readOnly.isEnabled) outputs false

Device, Browser, OS:
ALL

Editor.js version:
2.22.2

Plugins you use with their versions:
All standard plugins @latest