[wp-trac] [WordPress Trac] #65403: Code Quality: Admin Bar - Simplify node retrieval using null coalescing operator

[WordPress Trac]

#65403: Code Quality: Admin Bar - Simplify node retrieval using null coalescing
operator
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 Reporter:  Soean         |      Owner:  (none)
     Type:  defect (bug)  |     Status:  new
 Priority:  normal        |  Milestone:  Awaiting Review
Component:  General       |    Version:
 Severity:  normal        |   Keywords:
  Focuses:                |
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 WP_Admin_Bar->_get_node() returns an `object` or `null` since
 [[https://core.trac.wordpress.org/changeset/62178/trunk/src/wp-includes
 /class-wp-admin-bar.php|r62178]]. Now we can use the null coalescing
 operator and simplify the code.

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Ticket URL: <https://core.trac.wordpress.org/ticket/65403>
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