[Bugfix] Fix incompatibility between #20452 and #24548 (#24754)

Signed-off-by: DarkLight1337 <[email protected]>

Author: DarkLight1337

vllm/v1/executor/utils.py

@@ -19,7 +19,5 @@ def get_and_update_mm_cache(
     """
     scheduler_output = args[0]
     for request_data in scheduler_output.scheduled_new_reqs:
-        for i in range(len(request_data.mm_kwargs)):
-            mm_input = request_data.mm_kwargs[i]
-            request_data.mm_kwargs[i] = \
-                receiver_cache.get_and_update_item(mm_input, None)
+        request_data.mm_features = receiver_cache.get_and_update_features(
+            request_data.mm_features)