Accessibility: Administration: Address backward compatibility concerns for the sortable postboxes areas after [48340].

Fixes #49288.

Built from https://develop.svn.wordpress.org/trunk@48717


git-svn-id: http://core.svn.wordpress.org/trunk@48479 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
Andrea Fercia
2020-08-04 13:17:02 +00:00
parent b1c6077591
commit efdd927b48
15 changed files with 132 additions and 54 deletions

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