[LTX2] Fix wrong lora mixin (#13144)

change lora mixin

Co-authored-by: Sayak Paul <spsayakpaul@gmail.com>

Author: asomoza

src/diffusers/pipelines/ltx2/pipeline_ltx2_image2video.py

@@ -22,7 +22,7 @@
 
 from ...callbacks import MultiPipelineCallbacks, PipelineCallback
 from ...image_processor import PipelineImageInput
-from ...loaders import FromSingleFileMixin, LTXVideoLoraLoaderMixin
+from ...loaders import FromSingleFileMixin, LTX2LoraLoaderMixin
 from ...models.autoencoders import AutoencoderKLLTX2Audio, AutoencoderKLLTX2Video
 from ...models.transformers import LTX2VideoTransformer3DModel
 from ...schedulers import FlowMatchEulerDiscreteScheduler
@@ -202,7 +202,7 @@ def rescale_noise_cfg(noise_cfg, noise_pred_text, guidance_rescale=0.0):
     return noise_cfg
 
 
-class LTX2ImageToVideoPipeline(DiffusionPipeline, FromSingleFileMixin, LTXVideoLoraLoaderMixin):
+class LTX2ImageToVideoPipeline(DiffusionPipeline, FromSingleFileMixin, LTX2LoraLoaderMixin):
     r"""
     Pipeline for image-to-video generation.