id	summary	reporter	owner	description	type	status	priority	milestone	component	version	resolution	keywords	cc
16620	Source button disabled after block widget copy-paste	Tade0		"== Steps to reproduce ==

1. Open http://tests.ckeditor.dev:1030/tests/plugins/widget/manual/block
2. Insert a `doublecolumn` widget(empty icon).
3. Cut the code snippet widget that's placed lower and paste it into the first editable in the `doublecolumn` widget.
4. Click the `Source` button.

== Expected result ==

Mode switched to source.

== Actual result ==

Source button gets disabled.

== Other details (browser, OS, CKEditor version, installed plugins) ==

Browser: Edge"	Bug	confirmed	Normal		General	4.5.11