control fix input size and image mode

modules/processing_diffusers.py

@@ -139,6 +139,8 @@ def process_diffusers(p: StableDiffusionProcessing):
     def task_specific_kwargs(model):
         task_args = {}
         is_img2img_model = bool('Zero123' in shared.sd_model.__class__.__name__)
+        if len(getattr(p, 'init_images' ,[])) > 0:
+            p.init_images = [p.convert('RGB') for p in p.init_images]
         if sd_models.get_diffusers_task(model) == sd_models.DiffusersTaskType.TEXT_2_IMAGE and not is_img2img_model:
             p.ops.append('txt2img')
             if hasattr(p, 'width') and hasattr(p, 'height'):