deployment: Fix unbound variable when WAIT_KIBANA_URL is empty for openvidu-server-pro image
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@ -35,7 +35,7 @@ if [ "${OPENVIDU_PRO_ELASTICSEARCH}" == "false" ]; then
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fi
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# Wait for Kibana service
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if [ -n "${WAIT_KIBANA_URL}" ]; then
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if [ -n "${WAIT_KIBANA_URL:-}" ]; then
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printf "\n"
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printf "\n ======================================="
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printf "\n Waiting for Kibana service."
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