fix: appitem not remove when uninstalled#216

tsic404 merged 1 commit intolinuxdeepin:masterlinuxdeepin/dde-shell:masterfrom

tsic404:panel/dock/taskmanager/amdesktopfileparser-not-removetsic404/dde-shell:panel/dock/taskmanager/amdesktopfileparser-not-removeCopy head branch name to clipboard