message: Fix slow loading of tiles when zooming out
  Tiles were slow to load because tiles that were aborted were being
  retried up to 5 times, because the hasOwnProperty didn't work on the
  DOMException.
diff: @@ -96,7 +96,7 @@ export class TransferManager implements ITransferManager {
  } catch (err) {
  if (
  err.hasOwnProperty("isCancelled") ||
  - (err.hasOwnProperty("name") && err.name === "AbortError") ||
  + err.name === "AbortError" ||
  retryCount >= maxRetries
  ) {
  throw err;
  