Do not flag models in dashboard due to NaN values (#88792)
Title.
Tested by running `python benchmarks/dynamo/runner.py --output-dir ../test-dynamo-runner-logs-4 --training --visualize_logs` on a copy of a recent set of logs.
Pull Request resolved: https://github.com/pytorch/pytorch/pull/88792
Approved by: https://github.com/anijain2305
