fdo#65450 Not to call MenuBar's selection logic for rollover effect
fdo#65450 Not to call MenuBar's selection logic for rollover effect

Currently when we rollovers on MenuBar, MenuBar's selection logic
(ChangeHighlightItem et al) is called. But calling these logic on background
window seems to illegal and causes fdo#65450.

JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core