[Fix] Do not show thumb of video when playing slideshow.
fixed: MusicInfoTag loader locked up after 9752e490e40e69d53e9dbb10a972dff533192570
fixes #14452, crash in DVDOverlayCodecTX3G.cpp when closing style indexs too far
Merge pull request #2945 from ulion/do_not_show_video_thumb_when_playing_slideshow

[Fix] Do not show thumb of video when playing slideshow.
Don't show "Add to Favorites" context button for music search item
Fix CSAPFile::Stat() returning a boolean (0 or 1) when -1 or 0 (respectively) is expected
fixed: Little fixup for 94817e6fa85e2e0b39d1f0f96795435a4256fe7b (thanks JM)
[WIN32] support ctrl+v to paste clipboard text.