The event handler meant to toggle the section's expanded state on mouse double click was hooked to the wrong event.
The event handler meant to toggle the section's expanded state on mouse double
click was hooked to the wrong event.

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

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