Fix APK set download links not functioning

Since the introduction of CORS in "4b85891: Add CORS support", APK set
download links have been broken because they reference the frontend
console URL instead of the backend developer service. This commit
corrects the URLs to point to the backend service, allowing APK sets to
be downloaded again.

frontend/src/app/publish/publisher-draft-card/publisher-draft-card.component.html

@@ -19,7 +19,7 @@ <h4>Draft info</h4>
         </ul>
     </mat-card-content>
     <mat-card-actions align="end">
-        <a [href]="'/api/v1/drafts/' + draft.id + '/apkset'" mat-stroked-button>
+        <a [href]="apkSetLink" mat-stroked-button>
             Download APK set
         </a>
         <button type="button" (click)="onPublish()" mat-flat-button color="primary">

frontend/src/app/publish/publisher-draft-card/publisher-draft-card.component.ts

@@ -2,21 +2,27 @@
 //
 // SPDX-License-Identifier: AGPL-3.0-only
 
-import { Component, EventEmitter, Input, Output } from '@angular/core';
+import { Component, EventEmitter, Input, OnInit, Output } from '@angular/core';
 import { MatButtonModule } from '@angular/material/button';
 import { MatCardModule } from '@angular/material/card';
 
 import { Draft } from '../../draft';
+import { environment } from '../../../environments/environment';
 
 @Component({
     selector: 'app-publisher-draft-card',
     standalone: true,
     imports: [MatButtonModule, MatCardModule],
     templateUrl: './publisher-draft-card.component.html',
 })
-export class PublisherDraftCardComponent {
+export class PublisherDraftCardComponent implements OnInit {
     @Input({ required: true }) draft!: Draft;
     @Output() publish = new EventEmitter<string>();
+    apkSetLink?: string;
+
+    ngOnInit(): void {
+        this.apkSetLink = `${environment.developerApiUrl}/api/v1/drafts/${this.draft.id}/apkset`;
+    }
 
     onPublish(): void {
         this.publish.emit(this.draft.id);

frontend/src/app/review/reviewer-draft-card/reviewer-draft-card.component.html

@@ -19,7 +19,7 @@ <h4>Draft info</h4>
         </ul>
     </mat-card-content>
     <mat-card-actions align="end">
-        <a [href]="'/api/v1/drafts/' + draft.id + '/apkset'" mat-stroked-button>
+        <a [href]="apkSetLink" mat-stroked-button>
             Download APK set
         </a>
         <button type="button" (click)="onPostReview()" mat-flat-button color="primary">

frontend/src/app/review/reviewer-draft-card/reviewer-draft-card.component.ts

@@ -2,21 +2,27 @@
 //
 // SPDX-License-Identifier: AGPL-3.0-only
 
-import { Component, EventEmitter, Input, Output } from '@angular/core';
+import { Component, EventEmitter, Input, OnInit, Output } from '@angular/core';
 import { MatButtonModule } from '@angular/material/button';
 import { MatCardModule } from '@angular/material/card';
 
 import { Draft } from '../../draft';
+import { environment } from '../../../environments/environment';
 
 @Component({
     selector: 'app-reviewer-draft-card',
     standalone: true,
     imports: [MatButtonModule, MatCardModule],
     templateUrl: './reviewer-draft-card.component.html',
 })
-export class ReviewerDraftCardComponent {
+export class ReviewerDraftCardComponent implements OnInit {
     @Input({ required: true }) draft!: Draft;
     @Output() postReview = new EventEmitter<string>();
+    apkSetLink?: string;
+
+    ngOnInit(): void {
+        this.apkSetLink = `${environment.developerApiUrl}/api/v1/drafts/${this.draft.id}/apkset`;
+    }
 
     onPostReview(): void {
         this.postReview.emit(this.draft.id);

frontend/src/app/review/reviewer-update-card/reviewer-update-card.component.html

@@ -17,7 +17,7 @@ <h4>Update info</h4>
         </ul>
     </mat-card-content>
     <mat-card-actions align="end">
-        <a [href]="'/api/v1/updates/' + update.id + '/apkset'" mat-stroked-button>
+        <a [href]="apkSetLink" mat-stroked-button>
             Download APK set
         </a>
         <button type="button" (click)="onPostReview()" mat-flat-button color="primary">

frontend/src/app/review/reviewer-update-card/reviewer-update-card.component.ts

@@ -2,21 +2,27 @@
 //
 // SPDX-License-Identifier: AGPL-3.0-only
 
-import { Component, EventEmitter, Input, Output } from '@angular/core';
+import { Component, EventEmitter, Input, OnInit, Output } from '@angular/core';
 import { MatButtonModule } from '@angular/material/button';
 import { MatCardModule } from '@angular/material/card';
 
 import { Update } from '../../update';
+import { environment } from '../../../environments/environment';
 
 @Component({
     selector: 'app-reviewer-update-card',
     standalone: true,
     imports: [MatButtonModule, MatCardModule],
     templateUrl: './reviewer-update-card.component.html',
 })
-export class ReviewerUpdateCardComponent {
+export class ReviewerUpdateCardComponent implements OnInit {
     @Input({ required: true }) update!: Update;
     @Output() postReview = new EventEmitter<string>();
+    apkSetLink?: string;
+
+    ngOnInit(): void {
+        this.apkSetLink = `${environment.developerApiUrl}/api/v1/updates/${this.update.id}/apkset`;
+    }
 
     onPostReview(): void {
         this.postReview.emit(this.update.id);