fix: update model validity when value mode change

Refs #665

src/app/components/ngparam-input/ngparam-input.component.ts

@@ -150,6 +150,11 @@ export class NgParamInputComponent extends GenericInputComponentDirective implem
 
             // changement de valueMode du paramètre ou de valeur à laquelle il est lié
             case "valueModeChange":
+                if (this._tmp !== data["value"]) {
+                    this._tmp = data["value"];
+                    this.updateAndValidateUI();
+                    this.updateModelFromUI()
+                }
             case "valueLinkChange":
                 if (this._tmp !== data["value"]) {
                     this._tmp = data["value"];