Fix typing errors in dataset API (#26424)

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Co-authored-by: autofix-ci[bot] <114827586+autofix-ci[bot]@users.noreply.github.com>

api/pyrightconfig.json

@@ -8,7 +8,6 @@
     "extensions",
     "libs",
     "controllers/console/datasets",
-    "controllers/service_api/dataset",
     "core/ops",
     "core/tools",
     "core/model_runtime",