### CI Link

https://gradle-enterprise.elastic.co/s/bhuomrfypovuq

### Repro line

gradlew :x-pack:plugin:security:test --tests "org.elasticsearch.xpack.security.authc.TokenServiceTests.testInvalidateRefreshTokenThatIsAlreadyInvalidated" -Dtests.seed=819240371E8B1C23 -Dtests.locale=ms-MY -Dtests.timezone=Australia/Lindeman -Druntime.java=17

### Does it reproduce?

Yes

### Applicable branches

main

### Failure history

_No response_

### Failure excerpt

```
  2> REPRODUCE WITH: ./gradlew ':x-pack:plugin:security:test' --tests "org.elasticsearch.xpack.security.authc.TokenServiceTests.testInvalidateRefreshTokenThatIsAlreadyInvalidated" -Dtests.seed=819240371E8B1C23 -Dtests.locale=ms-MY -Dtests.timezone=Australia/Lindeman -Druntime.java=17
  2> java.lang.ClassCastException: class java.util.HashMap cannot be cast to class org.elasticsearch.common.bytes.BytesReference (java.util.HashMap is in module java.base of loader 'bootstrap'; org.elasticsearch.common.bytes.BytesReference is in unnamed module of loader 'app')
        at __randomizedtesting.SeedInfo.seed([819240371E8B1C23:50D848AB4705CC]:0)
        at org.elasticsearch.xpack.core.security.authc.Authentication.maybeRewriteMetadataForApiKeyRoleDescriptors(Authentication.java:1093)
        at org.elasticsearch.xpack.core.security.authc.Authentication.maybeRewriteMetadata(Authentication.java:271)
        at org.elasticsearch.xpack.core.security.authc.Authentication.maybeRewriteForOlderVersion(Authentication.java:232)
        at org.elasticsearch.xpack.security.authc.TokenServiceTests.buildUserToken(TokenServiceTests.java:941)
        at org.elasticsearch.xpack.security.authc.TokenServiceTests.testInvalidateRefreshTokenThatIsAlreadyInvalidated(TokenServiceTests.java:437)
```
x-pack/plugin/core/src/main/java/org/elasticsearch/xpack/core/security/authc/Authentication.java
throw new IllegalStateException("username [" + username + "] does not match any internal user");
            }
            String[] roles = input.readStringArray();
            Map<String, Object> metadata = input.readMap();
            String fullName = input.readOptionalString();
            String email = input.readOptionalString();
            boolean enabled = input.readBoolean();
            return new User(username, roles, fullName, email, metadata, enabled);
        }
        private static void writeInternalUser(User user, StreamOutput output) throws IOException {
            assert User.isInternal(user);
            output.writeBoolean(true);
            if (SystemUser.is(user)) {
                output.writeString(SystemUser.NAME);
            } else if (XPackUser.is(user)) {
                output.writeString(XPackUser.NAME);
            } else if (XPackSecurityUser.is(user)) {
                output.writeString(XPackSecurityUser.NAME);
            } else if (SecurityProfileUser.is(user)) {
                output.writeString(SecurityProfileUser.NAME);
            } else if (AsyncSearchUser.is(user)) {
                output.writeString(AsyncSearchUser.NAME);
            } else {
                assert false;
                throw new IllegalStateException("user [" + user + "] is not internal");
            }
        }
    }
}