[Fix-6840] Config variable substitution inconsistent

Author: xuqi1633

seatunnel-core/seatunnel-starter/src/main/bin/seatunnel.sh

@@ -47,7 +47,7 @@ if [ $# == 0 ]
 then
     args="-h"
 else
-    args=$@
+    args=("$@")
 fi
 
 set +u
@@ -107,4 +107,4 @@ while IFS= read -r line || [[ -n "$line" ]]; do
     fi
 done < ${APP_DIR}/config/jvm_client_options
 
-java ${JAVA_OPTS} -cp ${CLASS_PATH} ${APP_MAIN} ${args}
+java ${JAVA_OPTS} -cp ${CLASS_PATH} ${APP_MAIN} "${args[@]}"

seatunnel-e2e/seatunnel-engine-e2e/connector-seatunnel-e2e-base/src/test/java/org/apache/seatunnel/engine/e2e/UserVariableIT.java

@@ -33,7 +33,7 @@ public class UserVariableIT extends TestSuiteBase {
     @TestTemplate
     public void userVariableTest(TestContainer container) throws IOException, InterruptedException {
         List<String> variables = new ArrayList<>();
-        String list = "[abc,def]";
+        String list = "['abc','d~f','h i']";
         variables.add("resName=fake");
         variables.add("rowNum=10");
         variables.add("strTemplate=" + list);