Migrate to using the new IOContext Hints when available

[martijnvg]

As part of Lucene 10.3 (unreleased as of this time) new IOContext hint will allow us to replace the brittle solution to use niofs directory for stored fields's dft temp files. This was added as part of #129538

[elasticsearchmachine]

Pinging @elastic/es-storage-engine (Team:StorageEngine)