[wp-trac] [WordPress Trac] #49677: "admin_header_image" in "custom-header" doesn't work anymore

[WordPress Trac]

#49677: "admin_header_image" in "custom-header" doesn't work anymore
-------------------------------------------------+-------------------------
 Reporter:  RSalnikov                            |      Owner:  (none)
     Type:  enhancement                          |     Status:  new
 Priority:  normal                               |  Milestone:  Awaiting
                                                 |  Review
Component:  Customize                            |    Version:  5.4
 Severity:  normal                               |   Keywords:
  Focuses:  ui, accessibility, docs,             |
  administration, template                       |
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 Trying to do any thing with "admin_header_image" i found out, that this
 callback doesn't work at all. I found, it works when we currently placing
 at one of several steps.
 1) Open created page in Appearance -> Header
 [https://github.com/WordPress/WordPress/blob/7004afe4f4bac1fd17a142051832bdf6be8e6fcf
 /wp-admin/includes/class-custom-image-header.php#L73]
 2) There is should be some steps but they are absent in the page
 [https://github.com/WordPress/WordPress/blob/7004afe4f4bac1fd17a142051832bdf6be8e6fcf
 /wp-admin/includes/class-custom-image-header.php#L1031]

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Ticket URL: <https://core.trac.wordpress.org/ticket/49677>
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