[gtk: 5/5] Merge branch 'submenu-action-fixes' into 'master'

[Matthias Clasen <matthiasc src gnome org>]

commit 4616104742e2918d9530df230e13b69605a19795
Merge: a3a24b81c8 debcc62775
Author: Matthias Clasen <mclasen redhat com>
Date:   Sat Jun 5 13:36:10 2021 +0000

    Merge branch 'submenu-action-fixes' into 'master'
    
    Submenu action fixes
    
    Closes #3721
    
    See merge request GNOME/gtk!3272

 examples/bp/bloatpad.c   |  11 +++--
 gtk/gtkmenusectionbox.c  |  19 +++++++
 gtk/gtkmenutrackeritem.c | 125 ++++++++++++++++++++++++++++++-----------------
 gtk/gtkpopovermenubar.c  |  90 +++++++++++++++++-----------------
 4 files changed, 151 insertions(+), 94 deletions(-)
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