Fix enable_audit_log configuration not taking effect

iotdb-core/confignode/src/main/java/org/apache/iotdb/confignode/audit/CNAuditLogger.java

@@ -42,5 +42,9 @@ public CNAuditLogger(ConfigManager configManager) {
   }
 
   @Override
-  public void log(IAuditEntity auditLogFields, Supplier<String> log) {}
+  public void log(IAuditEntity auditLogFields, Supplier<String> log) {
+    if (!isAuditLogEnabled()) {
+      return;
+    }
+  }
 }

iotdb-core/datanode/src/main/java/org/apache/iotdb/db/audit/DNAuditLogger.java

@@ -57,10 +57,18 @@ private static InsertRowStatement generateInsertStatement(
   public void createViewIfNecessary() {}
 
   @Override
-  public synchronized void log(IAuditEntity auditLogFields, Supplier<String> log) {}
+  public synchronized void log(IAuditEntity auditLogFields, Supplier<String> log) {
+    if (!isAuditLogEnabled()) {
+      return;
+    }
+  }
 
   public void logFromCN(AuditLogFields auditLogFields, String log, int nodeId)
-      throws IllegalPathException {}
+      throws IllegalPathException {
+    if (!isAuditLogEnabled()) {
+      return;
+    }
+  }
 
   private static class DNAuditLoggerHolder {
 

iotdb-core/node-commons/src/main/java/org/apache/iotdb/commons/audit/AbstractAuditLogger.java

@@ -40,7 +40,16 @@ public abstract class AbstractAuditLogger {
   public static final String AUDIT_LOG_LOG = "log";
 
   private static final CommonConfig CONFIG = CommonDescriptor.getInstance().getConfig();
-  protected static final boolean IS_AUDIT_LOG_ENABLED = CONFIG.isEnableAuditLog();
+
+  /**
+   * Check if audit log is enabled. This method reads the configuration dynamically instead of using
+   * a static final field to ensure that the configuration is properly loaded before being used.
+   *
+   * @return true if audit log is enabled, false otherwise
+   */
+  protected static boolean isAuditLogEnabled() {
+    return CONFIG.isEnableAuditLog();
+  }
 
   public abstract void log(IAuditEntity auditLogFields, Supplier<String> log);