### Description

We now support storing KNN vectors as part of our indexed data.  These vectors should be included in the disk usage API.
server/src/test/java/org/elasticsearch/action/admin/indices/diskusage/IndexDiskUsageAnalyzerTests.java
if (randomBoolean()) {
            addRandomDocValuesField(doc);
        }
        if (randomBoolean()) {
            addRandomPostings(doc);
        }
        if (randomBoolean()) {
            addRandomIntLongPoints(doc);
        }
        if (randomBoolean()) {
            final int numValues = random().nextInt(5);
            for (int i = 0; i < numValues; i++) {
                addFieldsToDoc(
                    doc,
                    LatLonShape.createIndexableFields(
                        "triangle_" + randomIntBetween(1, 2),
                        GeoTestUtil.nextLatitude(),
                        GeoTestUtil.nextLongitude()
                    )
                );
            }
        }
        if (randomBoolean()) {
            addRandomStoredFields(doc, between(1, 3));
        }
        if (randomBoolean()) {
            addRandomTermVectors(doc);
        }
    }
    static class FieldLookup {