SD text-to-image torch compile compatible

[gzguevara]

What does this PR do?

This PR makes train_text_to_image.py compatible with torch.compile() as requested in #6503

• This PR fixes a typo or improves the docs (you can dismiss the other checks if that's the case).
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Who can review?

@sayakpaul and @patrickvonplaten

[HuggingFaceDocBuilderDev]

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[sayakpaul]

Thank you for submitting the PR. Let's maybe wait for #6511 to get merged as that is crucial as well.

[sayakpaul]

Looks great. Thank you!