@bender-ui: collapsed
@bender-tags: bug, 4.5.4, trac13284
@bender-ckeditor-plugins: wysiwygarea, placeholder, undo, toolbar

1. Focus placeholder widget.
2. Press <kbd>Right Arrow</kbd> key.
3. Caret should be placed next to placeholder.
4. Without focusing the widget, try to drag and drop it.

**Expected result**: Widget has been correctly moved.

**Unexpected results**: Widget didn't move, errors in console.

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1. Focus placeholder widget.
2. Try to drag and drop it.

**Unexpected results**: Widget didn't move, widget border color flickered.
