fix: error message in browser console about pressure loss law config file

refs #596

src/app/services/internationalisation.service.ts

@@ -63,7 +63,7 @@ export class I18nService extends Observable implements Observer {
         /** excluded calculators */
         const childCalculatorType: CalculatorType[] = [
             CalculatorType.Section, CalculatorType.Structure, CalculatorType.CloisonAval, CalculatorType.YAXN,
-            CalculatorType.LechaptCalmon
+            CalculatorType.LechaptCalmon, CalculatorType.PressureLossLaw
         ];
 
         // ensure 2-letter language code