use proper login dialog text when re-login
use proper login dialog text when re-login

haiwen/seafile-client,daodaoliang/seafile-client,wgaalves/seafile-client,wgaalves/seafile-client,daodaoliang/seafile-client,daodaoliang/seafile-client,losingle/seafile-client,wgaalves/seafile-client,wgaalves/seafile-client,daodaoliang/seafile-client,lucius-feng/seafile-client,haiwen/seafile-client,losingle/seafile-client,losingle/seafile-client,lucius-feng/seafile-client,haiwen/seafile-client,haiwen/seafile-client,lucius-feng/seafile-client,lucius-feng/seafile-client,losingle/seafile-client