[wp-trac] [WordPress Trac] #63598: Post locking takeover dialogue shows when running `show_post_locked_dialog` filter returns false

[WordPress Trac]

#63598: Post locking takeover dialogue shows when running `show_post_locked_dialog`
filter returns false
-------------------------------+-----------------------------
 Reporter:  paulkevan          |      Owner:  (none)
     Type:  defect (bug)       |     Status:  new
 Priority:  normal             |  Milestone:  Awaiting Review
Component:  Posts, Post Types  |    Version:  trunk
 Severity:  normal             |   Keywords:
  Focuses:  ui                 |
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 Follow-up to #24830.

 When you attempt to avoid the post locking dialogue via
 `show_post_locked_dialog` filter, you are initially allowed to view the
 post without the lock dialogue appearing, but after an autosave and the
 post lock is checked you are presented with the post takeover dialogue.

 The first user into a post isn't presented with this, but a second user
 attempting to also edit will receive this.

 When it was resolved in #24830, this was prior to the REST API being
 present, so unsure if it's related to the autosave REST API request and/or
 the post lock check, but the behaviour is unexpected. Hoping that someone
 with better knowledge of these working can help figure this out.

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Ticket URL: <https://core.trac.wordpress.org/ticket/63598>
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