fix to prevent load_image_encoder from running for wan 2.2 iv

Author: prishajain1

src/maxdiffusion/pipelines/wan/wan_pipeline.py

@@ -581,7 +581,7 @@ def _create_common_components(cls, config, vae_only=False, i2v=False):
           components["tokenizer"] = cls.load_tokenizer(config=config)
           components["text_encoder"] = cls.load_text_encoder(config=config)
           components["scheduler"], components["scheduler_state"] = cls.load_scheduler(config=config)
-          if i2v:
+          if i2v and config.model_name == 'wan2.1':
             components["image_processor"], components["image_encoder"] = cls.load_image_encoder(config)
       return components