Merge branch 'fix_#4255' into 'master'
authorMatthias Clasen <mclasen@redhat.com>
Mon, 13 Sep 2021 16:10:37 +0000 (16:10 +0000)
committerMatthias Clasen <mclasen@redhat.com>
Mon, 13 Sep 2021 16:10:37 +0000 (16:10 +0000)
stack: Dispose children before emitting items-changed

Closes #4255

See merge request GNOME/gtk!3943


Trivial merge