[evolution] plugin-manager: Hide vertical scrollbar in plugin list, when not needed

[Milan Crha <mcrha src gnome org>]

commit d58b820bbad143f8bcfc26959a84198060d1cf5a
Author: Milan Crha <mcrha redhat com>
Date:   Thu Jul 8 16:56:50 2021 +0200

    plugin-manager: Hide vertical scrollbar in plugin list, when not needed

 src/modules/plugin-manager/evolution-plugin-manager.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/src/modules/plugin-manager/evolution-plugin-manager.c 
b/src/modules/plugin-manager/evolution-plugin-manager.c
index aafb739887..2aed637e02 100644
--- a/src/modules/plugin-manager/evolution-plugin-manager.c
+++ b/src/modules/plugin-manager/evolution-plugin-manager.c
@@ -410,7 +410,7 @@ plugins_page_new (EPreferencesWindow *window)
        w = gtk_scrolled_window_new (NULL, NULL);
        gtk_scrolled_window_set_policy (
                GTK_SCROLLED_WINDOW (w),
-               GTK_POLICY_NEVER, GTK_POLICY_ALWAYS);
+               GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC);
        gtk_scrolled_window_set_shadow_type (
                GTK_SCROLLED_WINDOW (w), GTK_SHADOW_IN);
        gtk_container_add (GTK_CONTAINER (w), GTK_WIDGET (tree_view));