guide:先后出现顺序已经完成到LauncherSearch；LauncherLaunch界面的热区和点击两种触发任意触发一个都可以进入下一步，且有disconnect Shown了，对后面的launcher可能无故退出和显示不受影响；LauncherScroll界面是先scroll后才出现箭头点击，才会进入下一步
Merge branch 'develop' of github.com:linuxdeepin/dde into develop
res:dock:: fix xterm gets wrong icon
Merge branch 'develop'