[wp-trac] [WordPress Trac] #37449: The [X] on the link modal in the editor is confusing

[WordPress Trac]

#37449: The [X] on the link modal in the editor is confusing
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 Reporter:  magicroundabout  |       Owner:
     Type:  defect (bug)     |      Status:  new
 Priority:  normal           |   Milestone:  Awaiting Review
Component:  Editor           |     Version:  4.5.3
 Severity:  normal           |  Resolution:
 Keywords:                   |     Focuses:  ui, administration
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Comment (by SergeyBiryukov):

 > Add an extra icon, like a trashcan or something, for delete, make the
 [X] close the modal.

 Could we reuse the [https://developer.wordpress.org/resource/dashicons
 /#editor-unlink existing Unlink icon]?

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Ticket URL: <https://core.trac.wordpress.org/ticket/37449#comment:3>
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