Site B has a private IP address. As such, this would need to be NAT'd, and requires NAT-T.
Site B config:
set ike gateway "sana_Dynamic" address 82.114.183.222 Aggr local-id "aden.com" outgoing-interface "ethernet0/2"
set interface ethernet0/2 ip 192.168.44.254/24
Site A has NAT-T disabled though.
unset ike gateway "Aden_Dynamic" nat-traversal
Try enabling NAT-T on Site A.