fix(game downloads): Accidentally was attempting to lock onto something that was already in scope

Signed-off-by: quexeky <git@quexeky.dev>

src-tauri/src/download_manager/download_manager_builder.rs

@@ -238,6 +238,7 @@ impl DownloadManagerBuilder {
                     sender.send(DownloadManagerSignal::Error(e)).unwrap();
                 },
             }
+            sender.send(DownloadManagerSignal::UpdateUIQueue).unwrap();
         }));
 
         self.set_status(DownloadManagerStatus::Downloading);