Cherry pick: LITA Integration

[Slyne]

What does this PR do ?

To cherry pick #9578 LITA integration into 2.0.0rc1. That PR was already merged. See details there.

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Collection: [Note which collection this PR will affect]
NLP and multimodal

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[pablo-garay]

CI passed: https://github.com/NVIDIA/NeMo/actions/runs/9895230553

[pablo-garay]

CI passed: https://github.com/NVIDIA/NeMo/actions/runs/9895230553