fix: fetch email id from dialog box in pos past order summary' (#25808)

diff --git a/erpnext/selling/page/point_of_sale/pos_past_order_summary.js b/erpnext/selling/page/point_of_sale/pos_past_order_summary.js
index acf4eb3..cec831d 100644
--- a/erpnext/selling/page/point_of_sale/pos_past_order_summary.js
+++ b/erpnext/selling/page/point_of_sale/pos_past_order_summary.js
@@ -241,7 +241,7 @@
 
 	send_email() {
 		const frm = this.events.get_frm();
-		const recipients = this.email_dialog.get_values().recipients;
+		const recipients = this.email_dialog.get_values().email_id;
 		const doc = this.doc || frm.doc;
 		const print_format = frm.pos_print_format;