[wp-trac] [WordPress Trac] #62901: Editor: Fix 'parents' argument validation for Query block

[WordPress Trac]

#62901: Editor: Fix 'parents' argument validation for Query block
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 Reporter:  Mamaduka      |      Owner:  (none)
     Type:  defect (bug)  |     Status:  new
 Priority:  normal        |  Milestone:  6.8
Component:  Editor        |    Version:
 Severity:  normal        |   Keywords:
  Focuses:                |
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 The `build_query_vars_from_query_block` doesn't allow specifying zero
 (`0`) in the parent's array argument, which can be used to display on top-
 level pages.

 Gutenberg PR: https://github.com/WordPress/gutenberg/pull/68983.

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Ticket URL: <https://core.trac.wordpress.org/ticket/62901>
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