fix: failed test on result invalidation on chained modules

- regression introduced in ea4ed26b

Refs #469

src/app/formulaire/definition/form-definition.ts

@@ -420,15 +420,13 @@ export abstract class FormulaireDefinition extends FormulaireNode implements Obs
      */
     public resetResults(visited: string[] = [], symbol?: string, forceResetAllDependencies: boolean = false) {
         // console.debug(`FormulaireDefinition.resetResults(${visited})`);
-        if (this.currentNub.result !== undefined) {
-            visited.push(this.currentNub.uid);
-            // reset GUI results
-            this.resetFormResults();
-            // reset model results
-            this.currentNub.resetResult();
-            // reset the result panels of all forms depending on this one
-            ServiceFactory.formulaireService.resetAllDependingFormsResults(this, visited, symbol, forceResetAllDependencies);
-        }
+        visited.push(this.currentNub.uid);
+        // reset GUI results
+        this.resetFormResults();
+        // reset model results
+        this.currentNub.resetResult();
+        // reset the result panels of all forms depending on this one
+        ServiceFactory.formulaireService.resetAllDependingFormsResults(this, visited, symbol, forceResetAllDependencies);
     }
 
     protected abstract compute();