fix: resolved pos return setting to default mode of payment instead of user selection (#45377)
* fix: resolved pos return setting to default mode of payment instead of user selection
* refactor: removed console log statement
* refactor: moved get_payment_data to sales_and_purchase_return.py
(cherry picked from commit 54d234e05d)
Co-authored-by: Diptanil Saha <diptanil@frappe.io>