[Fix] fix missing `ipc_name` of `__getitem__` in some IO structs (#12053)

Signed-off-by: ybyang <ybyang7@iflytek.com>

python/sglang/srt/managers/io_struct.py

@@ -574,6 +574,7 @@ class GenerateReqInput(BaseReq):
             custom_labels=self.custom_labels,
             return_bytes=self.return_bytes,
             return_entropy=self.return_entropy,
+            http_worker_ipc=self.http_worker_ipc,
         )
 
 
@@ -759,6 +760,7 @@ class EmbeddingReqInput(BaseReq):
                 sampling_params=self.sampling_params[i],
                 rid=self.rid[i],
                 is_cross_encoder_request=True,
+                http_worker_ipc=self.http_worker_ipc,
             )
 
         return EmbeddingReqInput(
@@ -769,6 +771,7 @@ class EmbeddingReqInput(BaseReq):
             video_data=self.video_data[i] if self.video_data is not None else None,
             sampling_params=self.sampling_params[i],
             rid=self.rid[i],
+            http_worker_ipc=self.http_worker_ipc,
         )