refactor: Session.createNub(): provide a default value for MacroRugoRemous discharge parameter

refs #325

src/session.ts

@@ -830,9 +830,10 @@ export class Session {
                 break;
 
             case CalculatorType.MacroRugoRemous:
+                const Q = params.getPropValue("Q") ?? 0.1;
                 const crp = new MacroRugoRemousParams(
-                    0.1,    // Q = débit
-                    100.4,  // Z2 = cote de l'eau aval
+                    Q,    // Q = débit
+                    13,  // Z2 = cote de l'eau aval
                     nullParams
                 );
                 const mr = this.findNubByUid(params.getPropValue(MacroRugoRemous.NubMacroRugoProp)) as MacroRugo;