**Found in version**
- Observed in 8.2.3, but might exist longer

**Steps to reproduce**
On a multi node cloud cluster (might also work on a local multi node cluster):
- Create a transform with a retention policy
- Update the transform and remove the retention policy

**Expected result**
- The retention policy is removed

**Actual result**
- This sometimes results in an error:
```
An error occurred calling the API endpoint to update transforms.
Bad Request: [illegal_argument_exception: [illegal_argument_exception] Reason: 
Unknown NamedWriteable [org.elasticsearch.xpack.core.transform.transforms.RetentionPolicyConfig][null_retention_policy]]:
Unknown NamedWriteable [org.elasticsearch.xpack.core.transform.transforms.RetentionPolicyConfig][null_retention_policy]
```

**Additional information**
- Quote from slack discussion with @benwtrent:
  > It wouldn’t happen if you hit a node that can execute the update immediately without serializing to a different node
x-pack/plugin/core/src/main/java/org/elasticsearch/xpack/core/XPackClientPlugin.java
XPackFeatureSet.Usage.class,
                    XPackField.SEARCHABLE_SNAPSHOTS,
                    SearchableSnapshotFeatureSetUsage::new
                ),
                
                new NamedWriteableRegistry.Entry(XPackFeatureSet.Usage.class, XPackField.DATA_STREAMS, DataStreamFeatureSetUsage::new),
                
                new NamedWriteableRegistry.Entry(XPackFeatureSet.Usage.class, XPackField.DATA_TIERS, DataTiersFeatureSetUsage::new),
                
                new NamedWriteableRegistry.Entry(XPackFeatureSet.Usage.class, XPackField.ARCHIVE, ArchiveFeatureSetUsage::new)
            )
        );
        
        if (IndexSettings.isTimeSeriesModeEnabled()) {
            namedWriteables.add(new NamedWriteableRegistry.Entry(LifecycleAction.class, RollupILMAction.NAME, RollupILMAction::new));
        }
        return namedWriteables;
    }
    @Override
    public List<NamedXContentRegistry.Entry> getNamedXContent() {
        return Arrays.asList(
            
            new NamedXContentRegistry.Entry(
                Metadata.Custom.class,
                new ParseField("ml"),
                parser -> MlMetadata.LENIENT_PARSER.parse(parser, null).build()
            ),
            
            new NamedXContentRegistry.Entry(
                PersistentTaskParams.class,