feat: add DCB User Service API - Authentication system with KEYCLOAK - Modular architecture with services for each feature

src/app/modules/dcb-dashboard/components/dcb-reporting-dashboard.ts

@@ -812,7 +812,7 @@ export class DcbReportingDashboard implements OnInit, OnDestroy, AfterViewInit {
           tooltip: {
             callbacks: {
               label: (context) => {
-                return `${this.formatCurrency(context.parsed.y)}`;
+                return `${this.formatCurrency(context.parsed.y ?? 0)}`;
               }
             }
           }