OnRight and OnDown action are not executed on filmstrip. (Patch by mpiva)
Fix GUIPictures GUIMusic hidden menu focus when start to play an item or by pressing a key. Like Window ID for music and picture are the same as btnLayouts and btnViews. We need to execute the code when this button are focused.
Fix Rework based on Deda's Forum comment.
No need to know if we focus the Button.
Merge remote-tracking branch 'remotes/origin/MP1-2396-Hitting_Enter_on_a_picture_MyPictures_opens_the_hidden_menu'
Merge remote-tracking branch 'remotes/origin/MP1-2412-Navigation_ondown_onright_in_filmstrip_facade_view_looses_focus'