Updated translation details to improve clarity

Added upload date property to files in UI

Subscription videos can now be filtered by some of their properties (size, upload date, name, duration)

Subscription videos are now centered

src/app/subscription/subscription-file-card/subscription-file-card.component.ts

@@ -61,7 +61,8 @@ export class SubscriptionFileCardComponent implements OnInit {
     const dialogRef = this.dialog.open(VideoInfoDialogComponent, {
       data: {
         file: this.file,
-      }
+      },
+      minWidth: '50vw'
     });
   }