Wrong position of balloon panel when used in an empty block

[szymonkups]

Balloon panel is located in top-left corner when used on empty list element. There are other issues reported with similar effect, so this might be a duplicate.

[oskarwrobel]

Probably good fix will solve this issue too.

@Reinmar hint: https://github.com/ckeditor/ckeditor5-link/issues/46#issuecomment-250738572

Here is an example of manual test.

[ssougnez]

Hi, I'm also experiencing this issue with the version 0.5.1 of "ckeditor5-link". The positioning is correct when some text is selected. I notice that if I remove the inline styles

top: 15px;
left: -30px;

From the div displaying the balloon, it is correctly positioned.

Cheers

[oleq]

This issue should be fixed in https://github.com/ckeditor/ckeditor5-utils/issues/153.