Cherry-pick https://github.com/NVIDIA/TensorRT-LLM/pull/4853#4997

lfr-0531 wants to merge 1 commit intoNVIDIA:release/0.20NVIDIA/TensorRT-LLM:release/0.20from

lfr-0531:user/fanrongl/cherry_pick_cg_paddinglfr-0531/TensorRT-LLM:user/fanrongl/cherry_pick_cg_paddingCopy head branch name to clipboard