fix: Fix fieldnames in template (#15860)

diff --git a/erpnext/accounts/report/accounts_receivable/accounts_receivable.html b/erpnext/accounts/report/accounts_receivable/accounts_receivable.html
index 7f663d8..933c6dd 100644
--- a/erpnext/accounts/report/accounts_receivable/accounts_receivable.html
+++ b/erpnext/accounts/report/accounts_receivable/accounts_receivable.html
@@ -75,7 +75,7 @@
 				<td class="text-right">{%= format_currency(balance_row[range3]) %}</td>
 				<td class="text-right">{%= format_currency(balance_row[range4]) %}</td>
 				<td class="text-right">
-					{%= format_currency(flt(balance_row[__("Outstanding Amount")]), data[data.length-1]["currency"]) %}
+					{%= format_currency(flt(balance_row[("outstanding_amount")]), data[data.length-1]["currency"]) %}
 					</td>
 			</tr>
 				<td>{%= __("PDC/LC") %}</td>
@@ -84,7 +84,7 @@
 				<td></td>
 				<td></td>
 				<td class="text-right">
-					{%= format_currency(flt(balance_row[__("PDC/LC Amount")]), data[data.length-1]["currency"]) %}
+					{%= format_currency(flt(balance_row[("pdc/lc_amount")]), data[data.length-1]["currency"]) %}
 				</td>
 			<tr class="cvs-footer">
 				<th class="text-left">{%= __("Cheques Required") %}</th>
@@ -93,7 +93,7 @@
 				<th></th>
 				<th></th>
 				<th class="text-right">
-					{%= format_currency(flt(balance_row[__("Outstanding Amount")]-balance_row[__("PDC/LC Amount")]), data[data.length-1]["currency"]) %}</th>
+					{%= format_currency(flt(balance_row[("outstanding_amount")]-balance_row[("pdc/lc_amount")]), data[data.length-1]["currency"]) %}</th>
 			</tr>
 		</tbody>
 
@@ -177,10 +177,10 @@
 							<td style="text-align: right">
 								{%= data[i]["po_no"] %}</td>
 						{% } %}
-						<td style="text-align: right">{%= frappe.datetime.str_to_user(data[i][__("PDC/LC Date")]) %}</td>
-						<td style="text-align: right">{%= data[i][__("PDC/LC Ref")] %}</td>
-						<td style="text-align: right">{%= format_currency(data[i][__("PDC/LC Amount")], data[i]["currency"]) %}</td>
-						<td style="text-align: right">{%= format_currency(data[i][__("Remaining Balance")], data[i]["currency"]) %}</td>
+						<td style="text-align: right">{%= frappe.datetime.str_to_user(data[i][("pdc/lc_date")]) %}</td>
+						<td style="text-align: right">{%= data[i][("pdc/lc_ref")] %}</td>
+						<td style="text-align: right">{%= format_currency(data[i][("pdc/lc_amount")], data[i]["currency"]) %}</td>
+						<td style="text-align: right">{%= format_currency(data[i][("remaining_balance")], data[i]["currency"]) %}</td>
 					{% } %}
 				{% } else { %}
 					<td></td>
@@ -205,9 +205,9 @@
 								{%= data[i][__("Customer LPO")] %}</td>
 						{% } %}
 						<td style="text-align: right">{%= frappe.datetime.str_to_user(data[i][__("PDC/LC Date")]) %}</td>
-						<td style="text-align: right">{%= data[i][__("PDC/LC Ref")] %}</td>
-						<td style="text-align: right">{%= format_currency(data[i][__("PDC/LC Amount")], data[i]["currency"]) %}</td>
-						<td style="text-align: right">{%= format_currency(data[i][__("Remaining Balance")], data[i]["currency"]) %}</td>
+						<td style="text-align: right">{%= data[i][("pdc/lc_ref")] %}</td>
+						<td style="text-align: right">{%= format_currency(data[i][("pdc/lc_amount")], data[i]["currency"]) %}</td>
+						<td style="text-align: right">{%= format_currency(data[i][("remaining_balance")], data[i]["currency"]) %}</td>
 					{% } %}
 				{% } %}
 			{% } else { %}
@@ -228,10 +228,10 @@
 					{% } else { %}
 						<td><b>{%= __("Total") %}</b></td>
 					{% } %}
-					<td style="text-align: right">{%= format_currency(data[i][__("Total Invoiced Amt")], data[i]["currency"]) %}</td>
-					<td style="text-align: right">{%= format_currency(data[i][__("Total Paid Amt")], data[i]["currency"]) %}</td>
+					<td style="text-align: right">{%= format_currency(data[i][("total_invoiced_amt")], data[i]["currency"]) %}</td>
+					<td style="text-align: right">{%= format_currency(data[i][("total_paid_amt")], data[i]["currency"]) %}</td>
 					<td style="text-align: right">{%= report.report_name === "Accounts Receivable Summary" ? format_currency(data[i][__("Credit Note Amt")], data[i]["currency"]) : format_currency(data[i][__("Debit Note Amt")], data[i]["currency"]) %}</td>
-					<td style="text-align: right">{%= format_currency(data[i][__("Total Outstanding Amt")], data[i]["currency"]) %}</td>
+					<td style="text-align: right">{%= format_currency(data[i][("total_outstanding_amt")], data[i]["currency"]) %}</td>
 				{% } %}
 			{% } %}
 			</tr>
diff --git a/erpnext/accounts/report/accounts_receivable/accounts_receivable.py b/erpnext/accounts/report/accounts_receivable/accounts_receivable.py
index 0425fe5..fb54671 100644
--- a/erpnext/accounts/report/accounts_receivable/accounts_receivable.py
+++ b/erpnext/accounts/report/accounts_receivable/accounts_receivable.py
@@ -88,20 +88,40 @@
 					"width": 120
 				})
 
-		columns.append({
+		columns += [
+		{
 			"fieldname": "currency",
 			"label": _("Currency"),
 			"fieldtype": "Link",
 			"options": "Currency",
 			"width": 100
-		})
-
-		columns += [
-			_("PDC/LC Date") + ":Date:110",
-			_("PDC/LC Ref") + ":Data:110",
-			_("PDC/LC Amount") + ":Currency/currency:130",
-			_("Remaining Balance") + ":Currency/currency:130"
-		]
+		},
+		{
+			"fieldname": "pdc/lc_date",
+			"label": _("PDC/LC Date"),
+			"fieldtype": "Date",
+			"width": 110
+		},
+		{
+			"fieldname": "pdc/lc_ref",
+			"label": _("PDC/LC Ref"),
+			"fieldtype": "Data",
+			"width": 110
+		},
+		{
+			"fieldname": "pdc/lc_amount",
+			"label": _("PDC/LC Amount"),
+			"fieldtype": "Currency",
+			"options": "Currency",
+			"width": 130
+		},
+		{
+			"fieldname": "remaining_balance",
+			"label": _("Remaining Balance"),
+			"fieldtype": "Currency",
+			"options": "Currency",
+			"width": 130
+		}]
 
 		if args.get('party_type') == 'Customer':
 			columns.append({
@@ -139,7 +159,6 @@
 
 		data = []
 		pdc_details = get_pdc_details(args.get("party_type"), self.filters.report_date)
-
 		gl_entries_data = self.get_entries_till(self.filters.report_date, args.get("party_type"))
 
 		if gl_entries_data:
@@ -429,7 +448,6 @@
 			and pent.party_type = %s
 			group by pent.party, pref.reference_name""", (report_date, party_type), as_dict=1):
 			pdc_details.setdefault((pdc.invoice_no, pdc.party), pdc)
-
 	if scrub(party_type):
 		amount_field = ("jea.debit_in_account_currency"
 			if party_type == 'Supplier' else "jea.credit_in_account_currency")