Enable scroll position restoration in app routing

This reverts commit d4e231f67b.

frontend/src/app/about/about.component.ts

@@ -1,4 +1,4 @@
-import {Component, OnInit} from '@angular/core';
+import {Component} from '@angular/core';
 import {ScrollService} from '../scroll/scroll.service';
 
 @Component({
@@ -7,11 +7,7 @@ import {ScrollService} from '../scroll/scroll.service';
   templateUrl: './about.component.html',
   styleUrl: './about.component.scss'
 })
-export class AboutComponent implements OnInit {
+export class AboutComponent {
   constructor(public scrollService: ScrollService) {
   }
-  
-  ngOnInit(): void {
-    this.scrollService.scrollToTop();
-  }
 }

frontend/src/app/app.module.ts

@@ -45,7 +45,9 @@ const routes: Routes = [
   ],
   imports: [
     BrowserModule,
-    RouterModule.forRoot(routes),
+    RouterModule.forRoot(routes, {
+      scrollPositionRestoration: 'enabled',
+    }),
     NgOptimizedImage,
     CopyIpComponent,
   ],

frontend/src/app/privacy/privacy.component.ts

@@ -1,4 +1,4 @@
-import {Component, OnInit} from '@angular/core';
+import {Component} from '@angular/core';
 import {ScrollService} from '../scroll/scroll.service';
 
 @Component({
@@ -7,12 +7,8 @@ import {ScrollService} from '../scroll/scroll.service';
   templateUrl: './privacy.component.html',
   styleUrl: './privacy.component.scss'
 })
-export class PrivacyComponent implements OnInit {
+export class PrivacyComponent {
   constructor(public scrollService: ScrollService) {
   }
 
-  ngOnInit(): void {
-    this.scrollService.scrollToTop();
-  }
-
 }

frontend/src/app/team/team.component.ts

@@ -1,4 +1,4 @@
-import {Component, OnInit} from '@angular/core';
+import {Component} from '@angular/core';
 import {ScrollService} from '../scroll/scroll.service';
 
 @Component({
@@ -7,11 +7,7 @@ import {ScrollService} from '../scroll/scroll.service';
   templateUrl: './team.component.html',
   styleUrl: './team.component.scss'
 })
-export class TeamComponent implements OnInit {
+export class TeamComponent {
   constructor(public scrollService: ScrollService) {
   }
-
-  ngOnInit(): void {
-    this.scrollService.scrollToTop();
-  }
 }

frontend/src/app/terms/terms.component.ts

@@ -1,4 +1,4 @@
-import {Component, OnInit} from '@angular/core';
+import {Component} from '@angular/core';
 import {ScrollService} from '../scroll/scroll.service';
 
 @Component({
@@ -7,12 +7,8 @@ import {ScrollService} from '../scroll/scroll.service';
   templateUrl: './terms.component.html',
   styleUrl: './terms.component.scss'
 })
-export class TermsComponent implements OnInit {
+export class TermsComponent {
   constructor(public scrollService: ScrollService) {
   }
 
-  ngOnInit(): void {
-    this.scrollService.scrollToTop();
-  }
-
 }