fix #LINQT-1672 connection when another softphone is using the same sip...

fix #LINQT-1672 connection when another softphone is using the same sip address (try to let the OS choose the port to listen to)

fix empty root ca path : try to create file if doesn't exist

fix #LINQT-1671 loading indicator call history

remove clang from nightly

fix #LINQT-1667 add time before closing window when call ends