Cast barcode scan IDs to list (#8701) (#8702)

- Fixes issues with limitations on old MySQL server

(cherry picked from commit 4569fd273dbbb28b2e173374e7530b247ab9cf5b)

Co-authored-by: Oliver <oliver.henry.walters@gmail.com>

src/backend/InvenTree/plugin/base/barcodes/api.py

@@ -92,7 +92,7 @@ class BarcodeView(CreateAPIView):
 
             if num_scans > max_scans:
                 n = num_scans - max_scans
-                old_scan_ids = (
+                old_scan_ids = list(
                     BarcodeScanResult.objects.all()
                     .order_by('timestamp')
                     .values_list('pk', flat=True)[:n]