CP-19086: In the PVS Cache configuration dialog, we shouldn't try to save a "not configured" site if it was "not configured" before
CP-19086: In the PVS Cache configuration dialog, we shouldn't try to save a "not configured" site if it was "not configured" before

Signed-off-by: Mihaela Stoica <be95049f8e30d921fc7e2579c00c48bd84c40606@citrix.com>

minli1/xenadmin,stephen-turner/xenadmin,GaborApatiNagy/xenadmin,geosharath/xenadmin,minli1/xenadmin,jijiang/xenadmin,stephen-turner/xenadmin,Frezzle/xenadmin,kc284/xenadmin,stephen-turner/xenadmin,jijiang/xenadmin,letsboogey/xenadmin,MihaelaStoica/xenadmin,geosharath/xenadmin,ushamandya/xenadmin,MihaelaStoica/xenadmin,GaborApatiNagy/xenadmin,letsboogey/xenadmin,letsboogey/xenadmin,MihaelaStoica/xenadmin,Frezzle/xenadmin,kc284/xenadmin,kc284/xenadmin,minli1/xenadmin,MihaelaStoica/xenadmin,GaborApatiNagy/xenadmin,stephen-turner/xenadmin,GaborApatiNagy/xenadmin,Frezzle/xenadmin,xenserver/xenadmin,huizh/xenadmin,ushamandya/xenadmin,huizh/xenadmin,stephen-turner/xenadmin,letsboogey/xenadmin,stephen-turner/xenadmin,Frezzle/xenadmin,geosharath/xenadmin,ushamandya/xenadmin,huizh/xenadmin,MihaelaStoica/xenadmin,GaborApatiNagy/xenadmin,letsboogey/xenadmin,Frezzle/xenadmin,ushamandya/xenadmin,kc284/xenadmin,geosharath/xenadmin,jijiang/xenadmin,jijiang/xenadmin,jijiang/xenadmin,ushamandya/xenadmin,geosharath/xenadmin,minli1/xenadmin,huizh/xenadmin,geosharath/xenadmin,huizh/xenadmin,kc284/xenadmin,letsboogey/xenadmin,minli1/xenadmin,Frezzle/xenadmin,ushamandya/xenadmin,MihaelaStoica/xenadmin,huizh/xenadmin,minli1/xenadmin,jijiang/xenadmin,GaborApatiNagy/xenadmin,xenserver/xenadmin,xenserver/xenadmin