[wp-trac] [WordPress Trac] #30969: adding theme support for 'custom-header' or 'custom-background' results to duplicate admin menu items

[WordPress Trac]

#30969: adding theme support  for  'custom-header' or 'custom-background' results
to duplicate admin menu items
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 Reporter:  edville101         |       Owner:
     Type:  defect (bug)       |      Status:  new
 Priority:  normal             |   Milestone:  Awaiting Review
Component:  Customize          |     Version:  4.1
 Severity:  normal             |  Resolution:
 Keywords:  reporter-feedback  |     Focuses:  administration
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Comment (by edville101):

 Replying to [comment:2 celloexpressions]:
 > @edville101: what broswer and version are you using? Is JavaScript
 enabled? Can you reproduce with all plugins deactivated?
 >
 > For some reason, `hide-if-customize` OR `hide-if-no-customize` isn't
 working.

 Thank you.
 I was able to confirm that a popup form plugin's javascript is causing
 this problem

              $( '#wpadminbar' ).appendTo( 'html' ).show();

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Ticket URL: <https://core.trac.wordpress.org/ticket/30969#comment:4>
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