Cherry pick Explicitly pass expert_tensor_parallel_size to initialize_model_parallel (537) into r0.1.0#557

ananthsub merged 1 commit intor0.1.0NVIDIA-NeMo/Megatron-Bridge:r0.1.0from

cherry-pick-537-r0.1.0NVIDIA-NeMo/Megatron-Bridge:cherry-pick-537-r0.1.0Copy head branch name to clipboard