fix: Fix debian postinst when sip-communicator.properties is missing. (#774)
fix: Fix debian postinst when sip-communicator.properties is missing. (#774)

* fix: Fix debian postinst when sip-communicator.properties is missing.

* fix: Pass quotes to hocon to fix parsing "@".
jitsi/jicofo,jitsi/jicofo,jitsi/jicofo,jitsi/jicofo