[gnome-builder/wip/gtk4-port: 253/343] plugins/project-tree: disable expanders

[Christian Hergert <chergert src gnome org>]

commit c249af7715fb8a89ff6acfb91aac298a4ba6a0bf
Author: Christian Hergert <chergert redhat com>
Date:   Thu Mar 31 03:28:27 2022 -0700

    plugins/project-tree: disable expanders

 src/plugins/project-tree/gbp-project-tree.c | 2 ++
 1 file changed, 2 insertions(+)
---
diff --git a/src/plugins/project-tree/gbp-project-tree.c b/src/plugins/project-tree/gbp-project-tree.c
index d094a9e4c..985229d9f 100644
--- a/src/plugins/project-tree/gbp-project-tree.c
+++ b/src/plugins/project-tree/gbp-project-tree.c
@@ -174,6 +174,8 @@ gbp_project_tree_init (GbpProjectTree *self)
 {
   ide_widget_set_context_handler (GTK_WIDGET (self),
                                   gbp_project_tree_context_set);
+
+  gtk_tree_view_set_show_expanders (GTK_TREE_VIEW (self), FALSE);
 }
 
 static IdeTreeNode *