test: organize perf cases and add missing perflab cases in qa test list#6283

LarryXFly merged 2 commits intoNVIDIA:mainNVIDIA/TensorRT-LLM:mainfrom

ruodil:user/ruodil/org_casesruodil/TensorRT-LLM:user/ruodil/org_casesCopy head branch name to clipboard