Tweak default legend click policy and sizing

Author: ml-evs

pydatalab/src/pydatalab/bokeh_plots.py

@@ -486,9 +486,8 @@ def selectable_axes_plot(
 
             external_legend = Legend(
                 items=legend_items,
-                click_policy="hide",
+                click_policy="none",
                 background_fill_alpha=0.8,
-                label_text_font_size="9pt",
                 spacing=1,
                 margin=2,
             )