Fix explain shap_summary_plot when one column is full of zeros or NaNs

[tomasfryda]

Problem is with matplotlib 3.7.1 but it seems to be fixed in 3.7.2.

---------------------------------------------------------------------------
StopIteration                             Traceback (most recent call last)
   3247     result["shap_summary"]["plots"] = H2OExplanation()
   3248     for tree_model in tree_models_to_show:
-> 3249         result["shap_summary"]["plots"][tree_model.model_id] = display(shap_summary_plot(
   3250             tree_model,
   3251             **_custom_args(
   3252                 plot_overrides.get("shap_summary_plot"),
   3253                 frame=frame,
   3254                 figsize=figsize
   3255             )))
   3257 # PDP
   3258 if "pdp" in explanations:
...
...
...
File .../python3.8/site-packages/matplotlib/cbook/__init__.py:1715, in _safe_first_finite(obj, skip_nonfinite)
   1712     raise RuntimeError("matplotlib does not "
   1713                        "support generators as input")
   1714 else:
-> 1715     return next(val for val in obj if safe_isfinite(val))

[tomasfryda]

fixed in #15734