Already opened visualizer leads to PyWinAuto ElementAmbiguousError

[seanschneeweiss]

If the visualizer is already opened, the GuiControl cannot maximize the window as two windows are identified (expected only a single window).

Traceback (most recent call last):
  File "app/main.py", line 9, in <module>
    main()
  File "app/main.py", line 5, in main
    LeapGui.run()
  File "E:\RoSeMotion\app\LeapGui.py", line 466, in run
    gui.set_windows_record()
  File "E:\RoSeMotion\app\GuiControl.py", line 24, in set_windows_record
    visualizer_dlg.maximize()
  File "E:\python372\lib\site-packages\pywinauto\application.py", line 396, in __getattribute__
    ctrls = self.__resolve_control(self.criteria)
  File "E:\python372\lib\site-packages\pywinauto\application.py", line 258, in __resolve_control
    criteria)
  File "E:\python372\lib\site-packages\pywinauto\timings.py", line 436, in wait_until_passes
    func_val = func(*args, **kwargs)
  File "E:\python372\lib\site-packages\pywinauto\application.py", line 203, in __get_ctrl
    dialog = self.backend.generic_wrapper_class(findwindows.find_element(**criteria[0]))
  File "E:\python372\lib\site-packages\pywinauto\findwindows.py", line 98, in find_element
    raise exception
pywinauto.findwindows.ElementAmbiguousError: There are 2 elements that match the criteria {'backend': 'win32', 'process': 3880}

Originally posted by @iamfoolberg in #12 (comment)