handletelegram: don't return errors from message converter

pkg/connector/backfill.go

@@ -305,7 +305,7 @@ func (t *TelegramClient) FetchMessages(ctx context.Context, fetchParams bridgev2
 		if !ok {
 			continue
 		}
-		converted, err := t.convertToMatrixWithRefetch(ctx, portal, intent, message)
+		converted, err := t.convertToMatrix(ctx, portal, intent, message)
 		if err != nil {
 			return nil, err
 		}