HOSTEDCP-999: Minor fixes for disconnected CAPI CI

https://issues.redhat.com/browse/HOSTEDCP-999
After the initial changes were merged and rehearsed,
small bugs were found. This PR attempts to fix them.

1. Corrected pull secret file passed into hypershift command.
2. Added service-cidr flag for ipv6

deploy/operator/capi/deploy_capi_cluster.sh

@@ -59,8 +59,8 @@ elif [[ "${IP_STACK}" == "v4v6" ]]; then
     export CLUSTER_HOST_PREFIX_ADDITIONAL="${CLUSTER_HOST_PREFIX_V6}"
     export EXTERNAL_SUBNET_ADDITIONAL="${EXTERNAL_SUBNET_V6}"
     export SERVICE_SUBNET_ADDITIONAL="${SERVICE_SUBNET_V6}"
-    # IPv6 requires hypershift create cluster cidr override
-    export EXTRA_HYPERSHIFT_CREATE_COMMANDS="$EXTRA_HYPERSHIFT_CREATE_COMMANDS --cluster-cidr fd01::/48"
+    # IPv6 requires hypershift create cluster and service cidr overrides
+    export EXTRA_HYPERSHIFT_CREATE_COMMANDS="$EXTRA_HYPERSHIFT_CREATE_COMMANDS --cluster-cidr fd01::/48 --service-cidr fd02::/112"
 fi
 
 if [ "${DISCONNECTED}" = "true" ]; then
@@ -158,7 +158,7 @@ function hypershift_cli() {
   then
     hypershift "$@"
   else
-    podman run -it --net host --rm --entrypoint /usr/bin/hypershift -v $KUBECONFIG:/root/.kube/config -v $ASSISTED_PULLSECRET_JSON:/root/pull-secret.json -v /root/.ssh/id_rsa.pub:/root/.ssh/id_rsa.pub $HYPERSHIFT_IMAGE "$@"
+    podman run -it --net host --rm --entrypoint /usr/bin/hypershift -v $KUBECONFIG:/root/.kube/config -v $ASSISTED_PULLSECRET_JSON:$ASSISTED_PULLSECRET_JSON -v /root/.ssh/id_rsa.pub:/root/.ssh/id_rsa.pub $HYPERSHIFT_IMAGE "$@"
   fi
 }
 
@@ -191,7 +191,7 @@ else
 fi
 
 echo "Creating HostedCluster"
-hypershift_cli create cluster agent --name $ASSISTED_CLUSTER_NAME --base-domain redhat.example --pull-secret /root/pull-secret.json \
+hypershift_cli create cluster agent --name $ASSISTED_CLUSTER_NAME --base-domain redhat.example --pull-secret $ASSISTED_PULLSECRET_JSON \
  --ssh-key /root/.ssh/id_rsa.pub --agent-namespace $SPOKE_NAMESPACE --namespace $SPOKE_NAMESPACE \
  --release-image ${ASSISTED_OPENSHIFT_INSTALL_RELEASE_IMAGE:-${RELEASE_IMAGE}} \
   $CONTROL_PLANE_OPERATOR_FLAG_FOR_CREATE_COMMAND \