fix: price_list_currency not found error (backport #42534) (#42538)

fix: price_list_currency not found error (#42534)

(cherry picked from commit 23fed83)

Co-authored-by: rohitwaghchaure <rohitw1991@gmail.com>

erpnext/public/js/controllers/transaction.js

@@ -1645,6 +1645,12 @@ erpnext.TransactionController = class TransactionController extends erpnext.taxe
 	apply_price_list(item, reset_plc_conversion) {
 		// We need to reset plc_conversion_rate sometimes because the call to
 		// `erpnext.stock.get_item_details.apply_price_list` is sensitive to its value
+
+
+		if (this.frm.doc.doctype === "Material Request") {
+			return;
+		}
+
 		if (!reset_plc_conversion) {
 			this.frm.set_value("plc_conversion_rate", "");
 		}