[Tencent Hunyuan Team] Add LoRA Inference Support for Hunyuan-DiT

[gnobitab]

Added LoRA support to HunyuanDiT pipeline. Currently can only support lora_scale=1.

You may test the PR with test_hunyuandit_lora.py. A pre-trained LoRA model is uploaded here: https://huggingface.co/XCLiu/hunyuandit-lora-test

Please change YOUR_LORA_PATH to the dir you store the downloaded lora file.

The generated image should be

@yiyixuxu @sayakpaul Please have a look! thank you so much!