CA-287873: Make undock/redock console work when pressing Shift+Alt+U.
CA-287873: Make undock/redock console work when pressing Shift+Alt+U.

Signed-off-by: Konstantina Chremmou <a7d1f757a659045fb6db8c1e3849a1c8ad00b97a@citrix.com>

minli1/xenadmin,kc284/xenadmin,MihaelaStoica/xenadmin,kc284/xenadmin,MihaelaStoica/xenadmin,kc284/xenadmin,xenserver/xenadmin,minli1/xenadmin,kc284/xenadmin,minli1/xenadmin,MihaelaStoica/xenadmin,xenserver/xenadmin,MihaelaStoica/xenadmin,minli1/xenadmin,xenserver/xenadmin,MihaelaStoica/xenadmin,minli1/xenadmin,kc284/xenadmin,minli1/xenadmin,MihaelaStoica/xenadmin