desktop:fix bug of richdir block widget contextmenu右键
desktop:richdir pop contextmenu 无右键了
desktop:richdir widget contextmenu add pop_div_item_contextmenu_flag
osd:bar border radius 3px
greeter:loginAnimation timeout 200 ms
desktop:richdir contextmenu 菜单消失时,pop_div也会hide_pop_block()
desktop:richdir pop_div空白区域单击不会有菜单;图标上单击会出现菜单;且~菜单在最上层，pop_div其次，一般程序窗口再次，最后桌面;且右键已经有效了
Merge branch 'develop' into dock