[VitisAI] Enable ort::logger usage in compile_onnx_model_vitisai_ep_v4 (#26487)
### Description
Enable the use of ort::logger safely across DLL boundaries for the
VitisAI execution provider.
### Motivation and Context
Resolves issue PUID 1194096. This enables
compile_onnx_model_vitisai_ep_v4 to use ort::logger properly.