fix: typerror on default_currency (backport #43030)

[mergify]

TypeError: Cannot read properties of undefined (reading 'default_currency')
  at paid_from_account_currency(payment_entry__js:661:69)
  at _handler(../../../../../apps/frappe/frappe/public/js/frappe/form/script_manager.js:30:12)
  at runner(../../../../../apps/frappe/frappe/public/js/frappe/form/script_manager.js:109:16)
  at <anonymous>(../../../../../apps/frappe/frappe/public/js/frappe/form/script_manager.js:127:22)

Ref: https://support.frappe.io/helpdesk/tickets/20962

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This is an automatic backport of pull request #43030 done by Mergify.