@bender-ui: collapsed
@bender-tags: 4.10.0, 1927, bug
@bender-ckeditor-plugins: wysiwygarea, toolbar, tableselection 

1. Select all table cells using `tableselection` feature (whole cell should be selected).
1. Click outside the editor.

## Expected

Table cells background should be gray.

## Unexpected

Table cells background doesn't have a color.
