Merge branch 'fix-startnm-script-error' into 'main'

Correct startNodeManager.sh  NODEMGR_JAVA_OPTIONS error

See merge request weblogic-cloud/weblogic-kubernetes-operator!4743

Author: rjeberhard

operator/src/main/resources/scripts/startNodeManager.sh

@@ -322,7 +322,7 @@ export NODEMGR_HOME="${NODEMGR_HOME?}"
 export DOMAIN_HOME="${DOMAIN_HOME?}"
 
 # Apply JAVA_OPTIONS to Node Manager if NODEMGR_JAVA_OPTIONS not specified
-if [ -z ${NODEMGR_JAVA_OPTIONS} ]; then
+if [ -z "${NODEMGR_JAVA_OPTIONS}" ]; then
   NODEMGR_JAVA_OPTIONS="${JAVA_OPTIONS}"
 fi