FIX #16839 TIME 0:02 Create user/click on the groups segment: fix error js...

FIX #16839 TIME 0:02 Create user/click on the groups segment: fix error js cannot read property length of undefined

src/frontend/app/administration/user/user.component.html

@@ -18,7 +18,7 @@
                 <ion-label>{{'lang.informations' | translate}}</ion-label>
                 <ion-icon name="information-circle"></ion-icon>
             </ion-segment-button>
-            <ion-segment-button value="groups">
+            <ion-segment-button [disabled]="creationMode" value="groups">
                 <ion-label>{{'lang.manage_groups' | translate}}</ion-label>
                 <ion-icon name="people-sharp"></ion-icon>
             </ion-segment-button>