Move custom fields to separate components (#1076)

* Move custom fields to own component

* Update jslib

* Fix import statements

* Fix linting

src/app/vault/view-custom-fields.component.ts

@@ -0,0 +1,19 @@
+import {
+    Component,
+} from '@angular/core';
+
+import { EventService } from 'jslib-common/abstractions/event.service';
+
+import {
+    ViewCustomFieldsComponent as BaseViewCustomFieldsComponent
+} from 'jslib-angular/components/view-custom-fields.component';
+
+@Component({
+    selector: 'app-vault-view-custom-fields',
+    templateUrl: 'view-custom-fields.component.html',
+})
+export class ViewCustomFieldsComponent extends BaseViewCustomFieldsComponent {
+    constructor(eventService: EventService) {
+        super(eventService);
+    }
+}