debug HS and friction plots

src/View/Frictions/Window.py

@@ -209,9 +209,7 @@ class FrictionsWindow(PamhyrWindow):
         self.update_plot(highlight)
 
     def update_plot(self, highlight=None):
-        if highlight is not None:
-            self.plot.highlight = highlight
-        self.plot.draw()
+        self.plot.draw(highlight)
 
         if highlight is not None:
             self.plot_2.highlight = highlight