model_time_profile: reset_time_stats after initial warmup iteration s…

…o it will not spoil timing

degirum_tools/inference_support.py

@@ -359,6 +359,7 @@ def source():
 
         with model:
             model(frame)  # run model once to warm up the system
+            model.reset_time_stats()
 
             # run batch prediction
             t = Timer()