fix(ksa): qrcode for invoices with special chars (#28715)

diff --git a/erpnext/regional/saudi_arabia/utils.py b/erpnext/regional/saudi_arabia/utils.py
index e9fcce8..7d00d8b 100644
--- a/erpnext/regional/saudi_arabia/utils.py
+++ b/erpnext/regional/saudi_arabia/utils.py
@@ -1,7 +1,6 @@
 import io
 import os
 from base64 import b64encode
-from urllib.parse import quote
 
 import frappe
 from frappe import _
@@ -102,9 +101,10 @@
 			url = qr_create(base64_string, error='L')
 			url.png(qr_image, scale=2, quiet_zone=1)
 
-			urlencoded_name = quote(doc.name)
+			name = frappe.generate_hash(doc.name, 5)
+
 			# making file
-			filename = f"QR-CODE-{urlencoded_name}.png".replace(os.path.sep, "__")
+			filename = f"QRCode-{name}.png".replace(os.path.sep, "__")
 			_file = frappe.get_doc({
 				"doctype": "File",
 				"file_name": filename,