[Build] change verification filename for step_qonnx_to_finn

src/finn/builder/build_dataflow_steps.py

@@ -219,7 +219,7 @@ def step_qonnx_to_finn(model: ModelWrapper, cfg: DataflowBuildConfig):
     )
 
     if VerificationStepType.QONNX_TO_FINN_PYTHON in cfg._resolve_verification_steps():
-        verify_step(model, cfg, "initial_python", need_parent=False)
+        verify_step(model, cfg, "qonnx_to_finn_python", need_parent=False)
 
     return model