fix: cannot scan spacebar character in pos (#25479)

diff --git a/erpnext/selling/page/point_of_sale/pos_item_selector.js b/erpnext/selling/page/point_of_sale/pos_item_selector.js
index 9fb3943..709fe57 100644
--- a/erpnext/selling/page/point_of_sale/pos_item_selector.js
+++ b/erpnext/selling/page/point_of_sale/pos_item_selector.js
@@ -168,6 +168,7 @@
 				case (iCode >= 160 && iCode <= 164) || iCode == 170: // ^ ! # $ *
 				case iCode >= 186 && iCode <= 194: // (; = , - . / `)
 				case iCode >= 219 && iCode <= 222: // ([ \ ] ')
+				case iCode == 32: // spacebar
 					if (oEvent.key !== undefined && oEvent.key !== '') {
 						return oEvent.key;
 					}