Only show the web interface link when the redirect URL is available, such as on manager nodes

setup/so-whiptail

@@ -1064,17 +1064,21 @@ whiptail_setup_complete() {
 
 	[ -n "$TESTING" ] && return
 
+	if [[ -n "$REDIRECTIT" ]]; then
 		if [[ -n $ALLOW_CIDR ]]; then
 			local sentence_prefix="Access"
 		else
 			local sentence_prefix="Run so-allow after reboot to access"
 		fi
+		local accessMessage="\n${sentence_prefix} the web interface at: https://${REDIRECTIT}\n"
+	else
+		local accessMessage=""
+	fi
+
 
 	read -r -d '' message <<- EOM
 		Finished ${install_type} installation.
-
-		${sentence_prefix} the web interface at: https://${REDIRECTIT}
-
+		$accessMessage
 		Press ENTER to reboot.
 	EOM