fix(ci): 4g/5g RF simulation tests may fail due to lost socket on ue container. Repeat in case of failure

Signed-off-by: Raphael Defosseux <raphael.defosseux@eurecom.fr>

docker/scripts/nr_ue_entrypoint.sh

@@ -5,7 +5,7 @@ set -euo pipefail
 PREFIX=/opt/oai-nr-ue
 
 # Based another env var, pick one template to use
-#if [[ -v USE_NFAPI ]]; then ln -s $PREFIX/etc/ue.nfapi.conf $PREFIX/etc/ue.conf; fi
+#if [[ -v USE_NFAPI ]]; then cp $PREFIX/etc/ue.nfapi.conf $PREFIX/etc/ue.conf; fi
 
 # Only this template will be manipulated and the USIM one!
 CONFIG_FILES=`ls $PREFIX/etc/ue.conf $PREFIX/etc/nr-ue-sim.conf || true`