Bug 32537: Add no-block option to SIP cli emulator

Bug 32537: Add no-block option to SIP cli emulator

This patch adds the option to pass a no-block option and use this
in checkout/checkin/renew messages

To test:
1 - perl misc/sip_cli_emulator.pl -a localhost -p 6001 -l CPL -su term1 -sp term1 -m checkin --item 39999000010831
2 - Confirm out like:
    SEND: 09N20221227    20183920221227    201839APCPL|AOCPL|AB39999000010831|ACterm1|BIN|
    (Note the N after 09)
3 - Apply patch
4 - Restart SIP, repeat 1
5 - Confirm still an N
6 - perl misc/sip_cli_emulator.pl -a localhost -p 6001 -l CPL -su term1 -sp term1 -m checkin --item 39999000010831 -n N
7 - Confirm still an N
8 - perl misc/sip_cli_emulator.pl -a localhost -p 6001 -l CPL -su term1 -sp term1 -m checkin --item 39999000010831 -n Y
9 - Confirm the send has a Y after 09

Signed-off-by: David Nind <david@davidnind.com>
Signed-off-by: Martin Renvoize <martin.renvoize@ptfs-europe.com>
Signed-off-by: Tomas Cohen Arazi <tomascohen@theke.io>