[gtk/gtk-4-6: 5/5] Merge branch 'cherrypick-for-4-6' into 'gtk-4-6'

[Matthias Clasen <matthiasc src gnome org>]

commit 2f138ce93b0e4465da1ec02ea6ea22d33fa6b083
Merge: a6d22b3af1 f8231cf1a7
Author: Matthias Clasen <mclasen redhat com>
Date:   Thu Jul 28 18:10:14 2022 +0000

    Merge branch 'cherrypick-for-4-6' into 'gtk-4-6'
    
    Cherry-pick changes from main for gtk-4-6
    
    See merge request GNOME/gtk!4894

 gtk/gtkdroptarget.c                | 32 +++++++--------
 gtk/gtkiconview.c                  | 59 +++++++++++++--------------
 gtk/gtktreepopover.c               | 31 +++++++++++---
 gtk/gtktreeview.c                  | 76 +++++++++++++++++++----------------
 testsuite/css/nodes/combobox.nodes | 82 ++++++++++++++++++++++++++++----------
 5 files changed, 173 insertions(+), 107 deletions(-)
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