res/guide::fixed rightclick menu position

fixed when sending two icons to desktop ,
the rightclick menu position of deepin-music-player.desktop
may be wrong in high pixel screen

tower:https://tower.im/projects/8a6342c556be4c4eb898fdd7fd6fcb2f/todos/360d89177bcc43a4a2491208e2345be3/#ba45e5509841438b9a5f8d4aed61d217

Change-Id: I3dbde6006bdf1458742dd18e8288619156553343