Table resizable when editor's editable is false

[pkariz]

Description
You can resize table when editor's editable is set to false.

Steps to reproduce the bug

1. Create an Editor instance which has editable: false and extension:

Table.configure({
  resizable: true,
}),

2. Resize the table (it changes the editor's content)

Expected behavior
You shouldn't be able to resize the table when editor's editable is set to false.

[jelleroorda]

We also encountered this issue, however, it didn't actually resize the table. It does allow you to resize the columns, but after that it snaps back to the original position. Here's a small video to explain what I mean:

Schermopname.2021-07-16.om.10.24.44.mov