[Model] Refactor Phi-4-multimodal to use merged processor and support V1 (#15477)

Signed-off-by: Isotr0py <2037008807@qq.com>
Signed-off-by: DarkLight1337 <tlleungac@connect.ust.hk>
Co-authored-by: DarkLight1337 <tlleungac@connect.ust.hk>

vllm/model_executor/models/phi3v.py

@@ -327,7 +327,7 @@ class Phi3VProcessingInfo(BaseProcessingInfo):
         *,
         image_width: int,
         image_height: int,
-        processor: Optional[ProcessorMixin],
+        processor: Optional[ProcessorMixin] = None,
     ) -> int:
         if processor is None:
             processor = self.get_hf_processor()