UI: fix saving dashboard timewindow configuration

ui-ngx/src/app/modules/home/components/dashboard-page/dashboard-page.component.ts

@@ -1166,8 +1166,6 @@ export class DashboardPageComponent extends PageComponent implements IDashboardC
           this.filtersUpdated();
           this.updateLayouts();
         }
-      } else if (!this.widgetEditMode) {
-        this.dashboard.configuration.timewindow = this.dashboardCtx.dashboardTimewindow;
       }
     }
   }
@@ -1214,6 +1212,7 @@ export class DashboardPageComponent extends PageComponent implements IDashboardC
       this.setEditMode(false, false);
     } else {
       let reInitDashboard = false;
+      this.dashboard.configuration.timewindow = this.dashboardCtx.dashboardTimewindow;
       this.dashboardService.saveDashboard(this.dashboard).pipe(
         catchError((err) => {
           if (err.status === HttpStatusCode.Conflict) {