[FAB-5603] fixed missing f option on switch

fixed the unrecognized option on byfn.sh script when
providing the docker-compose file to start the network

Fix Issue # FAB-5603

Change-Id: I74234c53d8f82cbf2678f80aa3a898c3ec51c422
Signed-off-by: dsanchezseco <d.seco@protonmail.com>

first-network/byfn.sh

@@ -305,7 +305,7 @@ CHANNEL_NAME="mychannel"
 COMPOSE_FILE=docker-compose-cli.yaml
 
 # Parse commandline args
-while getopts "h?m:c:t:d:" opt; do
+while getopts "h?m:c:t:d:f:" opt; do
   case "$opt" in
     h|\?)
       printHelp