Update tokenizer mappings to use TokenizersBackend for additional models (#46091)
* Update tokenizer mappings to use TokenizersBackend for additional models
* aria
* split scripts
* added test
* Remove model-status-space
* fix test
* fix test
* add MODEL_IDS_TO_TOKENIZERS_BACKEND list and test for models without tokenizer_class
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
* new test
* reorg tests
* ruff
* ruff
* match checkpoint path
* fix test
* workaround for CI read-only file system error
---------
Co-authored-by: Claude Sonnet 4.6 <noreply@anthropic.com>