Rename clashing method names for vLLM model protocol (#27583)

Signed-off-by: Harry Mellor <19981378+hmellor@users.noreply.github.com>

vllm/model_executor/models/glm4_1v.py

@@ -1594,9 +1594,7 @@ class Glm4vForConditionalGeneration(
     def get_language_model(self) -> torch.nn.Module:
         return self.language_model
 
-    def get_multimodal_embeddings(
-        self, **kwargs: object
-    ) -> MultiModalEmbeddings | None:
+    def embed_multimodal(self, **kwargs: object) -> MultiModalEmbeddings | None:
         mm_input_by_modality = self._parse_and_validate_multimodal_inputs(**kwargs)
         if not mm_input_by_modality:
             return None