### 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
this.domain = domain;
        }
        public RealmRef(StreamInput in) throws IOException {
            this.nodeName = in.readString();
            this.name = in.readString();
            this.type = in.readString();
            if (in.getTransportVersion().onOrAfter(VERSION_REALM_DOMAINS)) {
                this.domain = in.readOptionalWriteable(RealmDomain::readFrom);
            } else {
                this.domain = null;
            }
        }
        @Override
        public void writeTo(StreamOutput out) throws IOException {
            out.writeString(nodeName);
            out.writeString(name);
            out.writeString(type);
            if (out.getTransportVersion().onOrAfter(VERSION_REALM_DOMAINS)) {
                out.writeOptionalWriteable(domain);
            }
        }
        @Override
        public XContentBuilder toXContent(XContentBuilder builder, Params params) throws IOException {
            builder.startObject();
            {
                builder.field("name", name);
                builder.field("type", type);
                builder.field("node_name", nodeName);
                if (domain != null) {
                    builder.field("domain", domain);