lok context menu: Include uno commands for submenus too

Change-Id: I4ba49ba94a3270a5d53754320e5fbd49e3f5c848
diff --git a/sfx2/source/control/dispatch.cxx b/sfx2/source/control/dispatch.cxx
index 396f993..aab0e29 100644
--- a/sfx2/source/control/dispatch.cxx
+++ b/sfx2/source/control/dispatch.cxx
@@ -198,6 +198,8 @@ namespace {
                        continue;

                    aItemTree.put("type", "menu");
                    if (!aCommandURL.isEmpty())
                        aItemTree.put("command", aCommandURL.toUtf8().getStr());
                    aItemTree.push_back(std::make_pair("menu", aSubmenu));
                }
                else