Added number_with_delimiter to counter on milestone panels
As per #25277 (closed) and the UI Guide, this MR uses the number_with_delimiter helper to display the counter on milestone panels.
Closes #25277 (closed) cc: @ClemMakesApps
As per #25277 (closed) and the UI Guide, this MR uses the number_with_delimiter helper to display the counter on milestone panels.
Closes #25277 (closed) cc: @ClemMakesApps