[DRAFT][FIX] QLoRA in llama 3_1 / QWEN missing quantize_base

[felipemello1]

Context

What is the purpose of this PR? Is it to

• add a new feature
• [x ] fix a bug
• update tests and/or documentation
• other (please add here)

Changelog

• added logic to builders

Test plan

ongoing

• run pre-commit hooks and linters (make sure you've first installed via pre-commit install)
• add unit tests for any new functionality
• update docstrings for any new or updated methods or classes
• run unit tests via pytest tests
• run recipe tests via pytest tests -m integration_test
• manually run any new or modified recipes with sufficient proof of correctness
• include relevant commands and any other artifacts in this summary (pastes of loss curves, eval results, etc.)

[pytorch-bot]

🔗 Helpful Links

🧪 See artifacts and rendered test results at hud.pytorch.org/pr/pytorch/torchtune/1466

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✅ No Failures

As of commit c61fa10 with merge base dfc69e2 ():
💚 Looks good so far! There are no failures yet. 💚

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