[QNN-EP] Fix data type check to skip optional I/Os #25514
Merged
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Motivation and Context
Fix data type check to skip optional I/Os.
Optional inputs/outputs would have empty name, and it's valid ONNX syntax. Without this fix, any model with optional inputs/outputs would fail the check due to missing protobuf fields.
Without this fix, we'd hit error fetching
elem_typefrom protobuf.