[gtk/gtk-4-6: 1/2] filechooser: Small fix for select folder mode

[Emmanuele Bassi <ebassi src gnome org>]

commit 1e561035e2bc85942ae08005f4041709a15a9ce8
Author: Sophie Herold <sophie hemio de>
Date:   Tue Apr 19 00:55:05 2022 +0200

    filechooser: Small fix for select folder mode
    
    When changing folders, we were making the select
    button insensitive when there is no folder selected.
    However, the select button should be usable to
    select the current folder.
    
    Fixes #4020

 gtk/gtkfilechooserwidget.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)
---
diff --git a/gtk/gtkfilechooserwidget.c b/gtk/gtkfilechooserwidget.c
index b365204d88..be084da421 100644
--- a/gtk/gtkfilechooserwidget.c
+++ b/gtk/gtkfilechooserwidget.c
@@ -2193,7 +2193,9 @@ update_default (GtkFileChooserWidget *impl)
     return;
 
   files = gtk_file_chooser_get_files (GTK_FILE_CHOOSER (impl));
-  sensitive = (g_list_model_get_n_items (files) > 0 || impl->action == GTK_FILE_CHOOSER_ACTION_SAVE);
+  sensitive = (g_list_model_get_n_items (files) > 0 ||
+               impl->action == GTK_FILE_CHOOSER_ACTION_SAVE ||
+               impl->action == GTK_FILE_CHOOSER_ACTION_SELECT_FOLDER);
   gtk_widget_set_sensitive (button, sensitive);
 
   g_object_unref (files);