update dependencies, migrate subscribe, add submit type to buttons

src/app/pages/comment/comment.page.ts

@@ -7,14 +7,14 @@ import { CommentService } from '../../services/comment.service';
 @Component({
   selector: 'page-comment',
   templateUrl: './comment.page.html',
-  styleUrls: [ './comment.page.scss' ]
+  styleUrls: ['./comment.page.scss']
 })
 export class PageComment implements OnInit {
 
   id: number;
   comment: any;
   notfound: boolean = false;
-  ignoreSubcomments: string[] = [ 'entry' ];
+  ignoreSubcomments: string[] = ['entry'];
 
   constructor(private commentService: CommentService,
     private route: ActivatedRoute) { }
@@ -22,11 +22,14 @@ export class PageComment implements OnInit {
   ngOnInit(): void {
     this.id = +this.route.snapshot.paramMap.get('id');
 
-    this.commentService.getComment(this.id).subscribe((data) => {
-      this.comment = data;
-    }, (error) => {
-      if (error.status == 404) {
-        this.notfound = true;
+    this.commentService.getComment(this.id).subscribe({
+      next: (data) => {
+        this.comment = data;
+      },
+      error: (error) => {
+        if (error.status == 404) {
+          this.notfound = true;
+        }
       }
     })
   }