[gtk: 2/2] Merge branch 'tree-popover-scroll' into 'main'

[Matthias Clasen <matthiasc src gnome org>]

commit de6b8da6c4ee97c750335758d506703498bdc2cc
Merge: 7dd874cec8 89db59a40d
Author: Matthias Clasen <mclasen redhat com>
Date:   Mon Jul 18 12:28:34 2022 +0000

    Merge branch 'tree-popover-scroll' into 'main'
    
    treepopover: Add support for scrolling
    
    Closes #3674 and #4877
    
    See merge request GNOME/gtk!4887

 gtk/gtktreepopover.c               | 31 +++++++++++---
 testsuite/css/nodes/combobox.nodes | 82 ++++++++++++++++++++++++++++----------
 2 files changed, 85 insertions(+), 28 deletions(-)
---