let all unnamed modules do anything

Author: mark-vieira

libs/entitlement/src/main/java/org/elasticsearch/entitlement/runtime/policy/PolicyManager.java

@@ -332,9 +332,6 @@ public void checkFileRead(Class<?> callerClass, Path path) {
         if (isTriviallyAllowed(requestingClass)) {
             return;
         }
-        if (requestingClass.getName().equals("co.elastic.apm.agent.premain.ShadedClassLoader")) {
-            return;
-        }
         ModuleEntitlements entitlements = getEntitlements(requestingClass);
         if (entitlements.fileAccess().canRead(path) == false) {
             notEntitled(
@@ -610,6 +607,9 @@ Optional<Class<?>> findRequestingClass(Stream<Class<?>> classes) {
      * @return true if permission is granted regardless of the entitlement
      */
     private static boolean isTriviallyAllowed(Class<?> requestingClass) {
+        if (requestingClass.getModule().getName() == null) {
+            return true;
+        }
         if (logger.isTraceEnabled()) {
             logger.trace("Stack trace for upcoming trivially-allowed check", new Exception());
         }