feat: implement file dialog for playlist uploads in FileUploadComponent

src/app/shared/components/add-playlist/add-playlist-dialog.component.html

@@ -6,6 +6,7 @@
         <app-file-upload
             (fileRejected)="rejectFile($event)"
             (fileSelected)="handlePlaylist($event)"
+            (closeDialog)="closeDialog()"
         />
     } @else if (playlistType === 'url') {
         <app-url-upload (urlAdded)="sendPlaylistsUrl($event)" />

src/app/shared/components/add-playlist/add-playlist-dialog.component.ts

@@ -54,7 +54,6 @@ export class AddPlaylistDialogComponent {
      * @param payload
      */
     handlePlaylist(payload: { uploadEvent: Event; file: File }): void {
-        // this.isLoading = true;
         const playlist = (payload.uploadEvent.target as FileReader)
             .result as string;
 
@@ -75,7 +74,6 @@ export class AddPlaylistDialogComponent {
                 filename,
             })
         );
-        // this.isLoading = false;
     }
 
     /**
@@ -83,7 +81,6 @@ export class AddPlaylistDialogComponent {
      * @param playlistUrl url of the added playlist
      */
     sendPlaylistsUrl(playlistUrl: string): void {
-        // this.isLoading = true;
         this.dataService.sendIpcEvent(PLAYLIST_PARSE_BY_URL, {
             title: getFilenameFromUrl(playlistUrl),
             url: playlistUrl,
@@ -96,7 +93,6 @@ export class AddPlaylistDialogComponent {
      * @param text playlist as string
      */
     uploadAsText(playlist: string): void {
-        // this.isLoading = true;
         this.store.dispatch(
             parsePlaylist({
                 uploadType: 'TEXT',