Revert "remove addinfo"

This reverts commit 57814cb.

Author: divyanshsinghvi

vllm_omni/model_executor/models/qwen2_5_omni/qwen2_5_omni.py

@@ -208,6 +208,7 @@ def forward(
         sampling_metadata: SamplingMetadata | None = None,
         logits_index: int | None = None,
         sampler=None,
+        additional_information: dict[str, object] | None = None,
         **kwargs: object,
     ) -> torch.Tensor | IntermediateTensors | OmniOutput:
         """