WinGui: Fixed an issue with the Queue toolbar where resizing the widow to a smaller side made the toolbar hide the buttons in the dropdown.
Added new icons for "Folder" and "Copy" based on the current style.

git-svn-id: svn://svn.handbrake.fr/HandBrake/trunk@5865 b64f7644-9d1e-0410-96f1-a4d463321fa5