HS: Basic: Fix plot AC init.

src/View/HydraulicStructures/BasicHydraulicStructures/Window.py

@@ -165,6 +165,7 @@ class BasicHydraulicStructuresWindow(PamhyrWindow):
             river=self._study.river,
             reach=self._hs.input_reach,
             profile=profile,
+            trad=self._trad,
             toolbar=self.toolbar
         )
         self.plot_ac.draw()