Manning: Add parameter to setup manning coef instead of strickler, and switch the value on the view only, but keeps strickler value in the model for the solvers

src/View/MainWindow.py

@@ -1427,12 +1427,13 @@ class ApplicationWindow(QMainWindow, ListedSubWindow, WindowToolKit):
 
                 if self.sub_window_exists(
                     FrictionsWindow,
-                    data=[self._study, None, reach]
+                    data=[self._study, self.conf, reach]
                 ):
                     return
 
                 frictions = FrictionsWindow(
                     study=self._study,
+                    config=self.conf,
                     parent=self
                 )
                 frictions.show()