After changing my primary domain, existing order status pages are redirect to Old Domain instead.

Shopify Partner
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 I have more than 100 orders in my store, recently store primary domain was changed after that new order status(Thank you for purchase) pages are working fine, but old orders are still redirected to the old domain. why is this happing? did I miss anything?

order_status page.png

This is the link I am talking about 'View order status page'.

Thank you.