Show editable children in the connect dialog

(cherry picked from commit c93a3bdaef485fa102ecab8ad37f5a43f730506d)

editor/connections_dialog.cpp

@@ -398,6 +398,7 @@ ConnectDialog::ConnectDialog() {
 
 	tree = memnew(SceneTreeEditor(false));
 	tree->set_connecting_signal(true);
+	tree->set_show_enabled_subscene(true);
 	tree->get_scene_tree()->connect("item_activated", this, "_ok");
 	tree->connect("node_selected", this, "_tree_node_selected");
 	tree->set_connect_to_script_mode(true);