[cherry-pick][OP] Add InferShape&InferDtype for per_token_quant_padding (#4667)
#4683
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Motivation
per_token_quant_paddingERNIE45T 300B 模型 FP8 转静过程中遇到自定义算子缺少 InferShape / InferDtype 的问题:Modifications
cherry-pick from #4667
给
per_token_quant_padding添加InferShape / InferDtype函数Usage or Command
NO NEED
Accuracy Tests
NO NEED
Checklist
[FDConfig],[APIServer],[Engine],[Scheduler],[PD Disaggregation],[Executor],[Graph Optimization],[Speculative Decoding],[RL],[Models],[Quantization],[Loader],[OP],[KVCache],[DataProcessor],[BugFix],[Docs],[CI],[Optimization],[Feature],[Benchmark],[Others],[XPU],[HPU],[GCU],[DCU],[Iluvatar],[Metax]]pre-commitbefore commit.releasebranch, make sure the PR has been submitted to thedevelopbranch, then cherry-pick it to thereleasebranch with the[Cherry-Pick]PR tag.