fix wan22-5b vae decode

Signed-off-by: Vladimir Mandic <mandic00@live.com>

modules/video_models/video_load.py

@@ -11,6 +11,8 @@ def load_model(selected: models_def.Model):
     if selected is None or selected.te_cls is None or selected.dit_cls is None:
         return ''
     global loaded_model # pylint: disable=global-statement
+    if not shared.sd_loaded:
+        loaded_model = None
     if loaded_model == selected.name:
         return ''
     sd_models.unload_model_weights()

modules/video_models/video_overrides.py

@@ -61,3 +61,7 @@ def set_overrides(p: processing.StableDiffusionProcessingVideo, selected: Model)
     if 'WanVACEPipeline' in cls:
         if (getattr(p, 'init_images', None) is not None) and (len(p.init_images) > 0):
             p.task_args['reference_images'] = p.init_images
+    # WAN 2.2-5B
+    if 'WAN 2.2 5B' in selected.name:
+        print('HERE')
+        shared.sd_model.vae.disable_tiling()