Merge pull request #17441 from nabinhait/pe-ref-exchange-rate-dev

fix: Always fetch exchange rate from ref document

erpnext/accounts/doctype/payment_entry/payment_entry.py

@@ -161,7 +161,7 @@ class PaymentEntry(AccountsController):
 					d.reference_name, self.party_account_currency)
 
 				for field, value in iteritems(ref_details):
-					if not d.get(field) or force:
+					if field == 'exchange_rate' or not d.get(field) or force:
 						d.set(field, value)
 
 	def validate_payment_type(self):

erpnext/accounts/doctype/payment_entry_reference/payment_entry_reference.json

@@ -88,7 +88,6 @@
    "bold": 0,
    "collapsible": 0,
    "columns": 0,
-   "fetch_from": "reference_name.due_date", 
    "fetch_if_empty": 0,
    "fieldname": "due_date",
    "fieldtype": "Date",
@@ -288,7 +287,6 @@
    "collapsible": 0,
    "columns": 0,
    "depends_on": "eval:(doc.reference_doctype=='Purchase Invoice')",
-   "fetch_from": "reference_name.conversion_rate", 
    "fetch_if_empty": 0,
    "fieldname": "exchange_rate",
    "fieldtype": "Float",