fix build break in kernel_explorer (#20235)

### Description
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### Motivation and Context
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onnxruntime/python/tools/kernel_explorer/kernels/cuda/dequant_blockwise_int4.cu

@@ -51,6 +51,7 @@ class DequantizeInt4 : public IKernelExplorer {
         params_.quant_,
         params_.scales_,
         params_.zero_points_,
+        nullptr, /*reorder_idx*/
         params_.k_,
         params_.n_,
         32,