FIT KV: RangeScan "Array lengths differ"

These tests:

1. Test using a custom Transcoder for a Range Scan
   1. RAWJSON
   2. JSON
   3. LEGACY
2. Insert a single document and check it's returned in a RangeScan, using consistentWith
3. Insert a single document and check it's returned in a RangeScan, using consistentWith
4. Create a span on the cluster and provide it to the performer to use for a RangeScan

Fail with the same array mismatch:

Expected :21

Actual   :26

The stacktrace shows the driver trying to validate:

assertArrayEquals(expectedContent.toBytes(), result.get(0).getContent().getContentAsBytes().toByteArray());