onnxruntime

6a4e4488 - [QNN EP] Support Qnn MatMul with 2 dynamic inputs which are uint16 quantized (#18469)

[QNN EP] Support Qnn MatMul with 2 dynamic inputs which are uint16 quantized (#18469) ### Description QNN can't run MatMul if both inputs are dynamic inputs with uint16 quantized on v68. Make it run by inserting Convert op to convert 1 input to int8