[fix] Numeric keypad not displaying after creation of new customer (#8797)

diff --git a/erpnext/accounts/page/pos/pos.js b/erpnext/accounts/page/pos/pos.js
index 176d269..da4a3b7 100644
--- a/erpnext/accounts/page/pos/pos.js
+++ b/erpnext/accounts/page/pos/pos.js
@@ -796,7 +796,8 @@
 
 	add_customer: function() {
 		this.frm.doc.customer = "";
-		this.update_customer(true)
+		this.update_customer(true);
+		this.numeric_keypad.show();
 	},
 
 	update_customer: function (new_customer) {