fix: key error on p/l and balance sheet reports on foreign currency

(cherry picked from commit a6794c3606)

erpnext/accounts/report/utils.py

@@ -28,7 +28,7 @@ def get_currency(filters):
 		filters["presentation_currency"] if filters.get("presentation_currency") else company_currency
 	)
 
-	report_date = filters.get("period_end_date")
+	report_date = filters.get("to_date") or filters.get("period_end_date")
 
 	if not report_date:
 		fiscal_year_to_date = get_from_and_to_date(filters.get("to_fiscal_year"))["to_date"]