Pressing Delete key removes content from neighbouring cell

[Vladislav]

Steps to reproduce

1. Open ​http://ckeditor.com/features;
2. Switch to Accessibility Checker page;
3. Add a Table;
4. On the left row add a bulleted list and type several paragraphs;
5. On the right row add any text;
6. Set cursor to the last paragraph within the first row;
7. Start deleting content by pressing Delete button;

Have a look at this video: [​https://www.screencast.com/t/XfgB4XTDKkwn ]

Expected result

Any text to the right of the cursor should be deleted, in the current cell only.

Actual result

All text to the right of the cursor in the current cell is deleted, however it then begins to pull in and delete text from the neighbouring cell.

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

Reproduced in Edge, Chrome and IE.