#4311 HIGH Update.: Need cancel button icon in search field

[Zarro Boogs per Child]

#4311: Need cancel button icon in search field
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  Reporter:  Eben              |       Owner:  rwh              
      Type:  defect            |      Status:  new              
  Priority:  high              |   Milestone:  Update.1         
 Component:  journal-activity  |     Version:                   
Resolution:                    |    Keywords:  Update.1? review?
  Verified:  0                 |  
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Comment(by rwh):

 Behavior according to spec: button only appears when there is text.
 Pressing escape clears the text as well, so this also fixes #4879 for both
 the mesh-view and the journal

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Ticket URL: <http://dev.laptop.org/ticket/4311#comment:6>
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