[Chrome]copy + apply list + change list type -> break inline wdget

[Piotr Jasiun]

1. open Chrome.
2. open "Mathematical Formulas" sample.
3. Select any widget.
4. Copy (Ctrl+C).
5. Click in the middle of the first paragraph.
6. Apply numbered list on this paragraph.
7. Change paragraph type to bulleted list.

Result:

<span tabindex="-1" contenteditable="false" data-cke-widget-wrapper="1" data-cke-filter="off" class="cke_widget_wrapper cke_widget_inline cke_widget_selected" data-cke-display-name="math" data-cke-widget-id="6">
	<span class="math-tex cke_widget_element" data-cke-survive="1" data-cke-widget-data="{&quot;math&quot;:&quot;\\(k\\)&quot;}" data-cke-widget-keep-attr="0" data-widget="mathjax" style="display: inline-block;">
		<iframe style="border: 0px; width: 12px; height: 19px; display: inline; vertical-align: middle;" scrolling="no" frameborder="0" allowtransparency="true" src="javascript:void(0)"></iframe>
		<iframe style="border: 0px; width: 12px; height: 19px; display: inline; vertical-align: middle;" scrolling="no" frameborder="0" allowtransparency="true" src="javascript:void(0)"></iframe>
	</span>
	<img src="data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw%3D%3D" class="cke_reset cke_widget_mask">
	<span class="cke_reset cke_widget_drag_handler_container" style="background-color: rgba(220, 220, 220, 0.498039); background-image: url(http://presets.ckeditor.dev/4.3/full-all/ckeditor/plugins/widget/images/handle.png); top: -15px; left: 0px; background-position: initial initial; background-repeat: initial initial;">
		<img class="cke_reset cke_widget_drag_handler" data-cke-widget-drag-handler="1" src="data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw%3D%3D" width="15" title="Click and drag to move" height="15" draggable="true">
	</span>
	<img src="data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw%3D%3D" class="cke_reset cke_widget_mask">
	<span class="cke_reset cke_widget_drag_handler_container" style="background-color: rgba(220, 220, 220, 0.498039); background-image: url(http://presets.ckeditor.dev/4.3/full-all/ckeditor/plugins/widget/images/handle.png); top: -15px; left: 0px; background-position: initial initial; background-repeat: initial initial;">
		<img class="cke_reset cke_widget_drag_handler" data-cke-widget-drag-handler="1" src="data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw%3D%3D" width="15" title="Click and drag to move" height="15" draggable="true">
	</span>
</span>