[wp-trac] [WordPress Trac] #52949: All available nav menu locations checked by default when creating a new menu

[WordPress Trac]

#52949: All available nav menu locations checked by default when creating a new
menu
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 Reporter:  Chouby          |      Owner:  (none)
     Type:  defect (bug)    |     Status:  new
 Priority:  normal          |  Milestone:  Awaiting Review
Component:  Menus           |    Version:  5.5
 Severity:  normal          |   Keywords:
  Focuses:  administration  |
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 1. Start from a WordPress fresh install and activate Twenty Twenty
 (selected because it has 5 navmenu locations, so the bug is more visible).
 2. Go to Appearance > Menus.
 3. Create a new menu and save (no need to add menu items).
 4. Click on the "Manage Locations" tab.
 5. Assign the unique menu to one location. Let say "Desktop Horizontal
 Menu" and Save Changes.
 6. Go back to the "Edit Menus" tab and click on "create a new menu".
 7. Observe that all available locations are pre-selected.

 Notes:
 The issue doesn't occur in the Customizer.
 The bug has been introduced in [48051].

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Ticket URL: <https://core.trac.wordpress.org/ticket/52949>
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