improve go back

src/app/pages/gabinete-digital/event-list/event-list.page.ts

@@ -13,6 +13,7 @@ import { BackgroundService } from '../../../services/background.service';
 import { Platform } from '@ionic/angular';
 import { SortService } from 'src/app/services/functions/sort.service';
 import { ThemeService } from 'src/app/services/theme.service'
+import { RouteService } from 'src/app/services/route.service';
 
 @Component({
   selector: 'app-event-list',
@@ -44,7 +45,8 @@ export class EventListPage implements OnInit {
     private platform: Platform,
     private sortService: SortService,
     private backgroundservice: BackgroundService,
-    public ThemeService: ThemeService
+    public ThemeService: ThemeService,
+    private RouteService: RouteService
   ) { }
 
   ngOnInit() {
@@ -216,7 +218,7 @@ export class EventListPage implements OnInit {
     //   this.router.navigate(['/home/gabinete-digital']);
     // }
 
-    this.location.back()
+    this.RouteService.goBack()
   }