Fixed reset demo command

[marcusmoore]

This PR follows up #15986 and updates barcode_type and alt_barcode to label2_2d_type and label2_1d_type in the ResetDemoSettings command.

[what-the-diff]

PR Summary

• Update of Main Barcode Setting Configuration
  Changes have been made to the main barcode setting parameter. Previously, it was known as $settings->barcode_type, but it's now updated to $settings->label2_2d_type and set to produce 'QRCODE' type barcodes.

• Modification of Alternate Barcode Configuration
  The alternate barcode setting has also seen an update. Formerly called $settings->alt_barcode, it is now changed to $settings->label2_1d_type, configured to generate 'C128' type barcodes.