Browser Edge (windows 10) - after a "CTRL + ENTER" in the CK Editor the keyboard up/down doesn't work anymore

[Harm Tester]

Steps to reproduce

Go to the demo of CKEditor in browser Edge (25.10586.0.0) on Windows 10

1. Type some text
2. click CTRL+ENTER
3. Type some text
4. click on the keyboard arrows up or down

Expected result

When clicking up the cursor goes up and when clicking down the cursor goes down.

Actual result

After clicking the up button the cursor goes to the begin of the paragraph and clicking down the cursor goes to the end of the paragraph

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

This behavior is standard available on the CKEditor ENTER Ker >> "Produce <br> on ENTER" on the demo page ​http://ckeditor.com/demo#enter

[kkrzton]

Duplicate of #14352.