Better handling of some qt and gtk applications. Used Audacious for testing.

docs/testing/qt-control-states.md

@@ -40,8 +40,10 @@ queued speech and Braille frames through Cthulhu's event loop for menu-bar and
 context-menu actions, checking and unchecking ordinary checkboxes and checkable
 buttons, an ordinary menu command, same-label action replacement, and explicit
 capability removal. It also traverses shared and context-only actions in both
-directions and after reopening the context menu. It requires both Python Qt bindings,
-xdotool and the native build dependencies. It does not replace the active
+directions and after reopening the context menu. It also checks Left and Escape
+from nested menus, including providers which report the return only by hiding
+the submenu; see [Audacious GUI checks](audacious.md). It requires both Python
+Qt bindings, xdotool and the native build dependencies. It does not replace the active
 reader or establish audible speech or physical Braille acceptance.
 
 Existing package checks cover mixed states, state sounds, speech-only and