fix: pass micro_batch_size in WrappedDataLoader in PreTrainingDataModule #14644
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Bug Description
In 'PreTrainingDataModule._create_dataloader(), the 'WrappedDataLoader' was constructed without passing 'batch_size', causing it to default to 1 regardless of the setting of "micro_batch_size" in the config.
Fix
explicitly passed to 'WrappedDataLoader' ensuring the correct batch sizeis used during training and evaluation.
Testing
Verified.