[fix] adding temperature only when fused kernels are used

[mingruimingrui]

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What does this PR do?

Temperature was automatically added to dp_actor model.forward, however this breaks under some transformers version.
This PR only adds temperature to model.forward when fused_kernels patch is used.

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Additional Info.

• Issue Number: Fixes issue # or discussion # if any.
• Training: [Note which backend this PR will affect: FSDP, Megatron, both, or none]
• Inference: [Note which backend this PR will affect: vLLM, SGLang, both, or none]

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[hiyouga]

duplicated of #1687