Add Ideogram4LoraLoaderMixin (LoRA loading for Ideogram4) (#13921) #5606

Job	Run time
PyTorch xformers CUDA tests	7m 36s
Setup Torch Pipelines CUDA Slow Tests Matrix	1m 10s
Torch CUDA Tests (models)	1h 56m 23s
Torch CUDA Tests (lora)	27m 9s
Torch CUDA Tests (others)	5m 8s
Examples PyTorch CUDA tests on Ubuntu	44m 16s
Torch CUDA Tests (single_file)	4m 33s
PyTorch Compile CUDA tests	46m 59s
Torch CUDA Tests (hooks)	4m 6s
Torch CUDA Tests (schedulers)	7m 4s
Torch Pipelines CUDA Tests (chroma)	4m 19s
Torch Pipelines CUDA Tests (stable_diffusion_3)	4m 47s
Torch Pipelines CUDA Tests (controlnet_flux)	4m 48s
Torch Pipelines CUDA Tests (ip_adapters)	3m 55s
Torch Pipelines CUDA Tests (latent_consistency_models)	4m 52s
Torch Pipelines CUDA Tests (controlnet)	15m 31s
Torch Pipelines CUDA Tests (stable_diffusion_2)	6m 42s
Torch Pipelines CUDA Tests (ltx)	5m 18s
Torch Pipelines CUDA Tests (sana)	10m 49s
Torch Pipelines CUDA Tests (marigold)	5m 10s
Torch Pipelines CUDA Tests (stable_video_diffusion)	4m 6s
Torch Pipelines CUDA Tests (text_to_video_synthesis)	4m 5s
Torch Pipelines CUDA Tests (stable_diffusion_xl)	9m 14s
Torch Pipelines CUDA Tests (flux2)	8m 15s
Torch Pipelines CUDA Tests (stable_diffusion)	8m 7s
Torch Pipelines CUDA Tests (flux)	6m 14s
Torch Pipelines CUDA Tests (controlnet_sd3)	4m 31s
Torch Pipelines CUDA Tests (qwenimage)	14m 57s
Torch Pipelines CUDA Tests (wan)	7m 45s
Torch Pipelines CUDA Tests (z_image)	6m 42s
	6h 44m 31s

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