fix: missing QR Code in auto email attachment (#26598)

diff --git a/erpnext/regional/india/e_invoice/utils.py b/erpnext/regional/india/e_invoice/utils.py
index 81c7a6b..f8a230d 100644
--- a/erpnext/regional/india/e_invoice/utils.py
+++ b/erpnext/regional/india/e_invoice/utils.py
@@ -969,7 +969,7 @@
 			"attached_to_doctype": doctype,
 			"attached_to_name": docname,
 			"attached_to_field": "qrcode_image",
-			"is_private": 1,
+			"is_private": 0,
 			"content": qr_image.getvalue()})
 		_file.save()
 		frappe.db.commit()