test_taskbar: use Destop() to find "Notification Area Icons" window instead of the process-limited Application()
test_taskbar: use Destop() to find "Notification Area Icons" window instead of the process-limited Application()

pywinauto/pywinauto,vasily-v-ryabov/pywinauto,cetygamer/pywinauto,drinkertea/pywinauto,airelil/pywinauto