Revize b887ecc3

Re #8792 - Sensor page - tweak

+ adding error catchup on requests
+ toast message upon request

src/app/app.component.ts

@@ -3 +3 @@
 
 @Component({
   selector: 'app-root',
-  template: '<router-outlet></router-outlet>'
+  template: `<router-outlet></router-outlet><p-toast position="bottom-center" key="mainToast"></p-toast>`
 })
 export class AppComponent {
   title = 'SensLog';