LLava next data module changes for energon and mock

[yashaswikarnati]

What does this PR do ?

LLava next data module changes for energon and mock

Collection: [Note which collection this PR will affect]

Changelog

• Modified NeVA Mock data module to support llava-next
• Modified llava next sample/task encoder to include attention mask and image sizes

Usage

• You can potentially add a usage example below

# Add a code snippet demonstrating how to use this 

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• Bugfix
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[github-actions]

beep boop 🤖: 🙏 The following files have warnings. In case you are familiar with these, please try helping us to improve the code base.

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Your code was analyzed with PyLint. The following annotations have been identified:

************* Module nemo.collections.vlm.neva.data.mock
nemo/collections/vlm/neva/data/mock.py:29:0: C0115: Missing class docstring (missing-class-docstring)
nemo/collections/vlm/neva/data/mock.py:79:4: C0116: Missing function or method docstring (missing-function-docstring)
nemo/collections/vlm/neva/data/mock.py:90:4: C0116: Missing function or method docstring (missing-function-docstring)
nemo/collections/vlm/neva/data/mock.py:95:4: C0116: Missing function or method docstring (missing-function-docstring)
nemo/collections/vlm/neva/data/mock.py:100:4: C0116: Missing function or method docstring (missing-function-docstring)

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Your code has been rated at 9.47/10

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Thank you for improving NeMo's documentation!

[github-actions]

beep boop 🤖: 🚨 The following files must be fixed before merge!

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Your code was analyzed with PyLint. The following annotations have been identified:

************* Module nemo.collections.vlm.neva.data.llava_next_energon
nemo/collections/vlm/neva/data/llava_next_energon.py:56:0: C0301: Line too long (128/119) (line-too-long)
nemo/collections/vlm/neva/data/llava_next_energon.py:57:0: C0301: Line too long (130/119) (line-too-long)
nemo/collections/vlm/neva/data/llava_next_energon.py:65:0: C0115: Missing class docstring (missing-class-docstring)
nemo/collections/vlm/neva/data/llava_next_energon.py:135:0: C0115: Missing class docstring (missing-class-docstring)

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Your code has been rated at 9.42/10

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Thank you for improving NeMo's documentation!