fix: better permission error for query_report (#20643) (#20646)

(cherry picked from commit 08732e5)

Co-authored-by: Smit Vora <smitvora203@gmail.com>

frappe/desk/query_report.py

@@ -509,7 +509,7 @@ def add_total_row(result, columns, meta=None, is_tree=False, parent_field=None):
 def get_data_for_custom_field(doctype, fieldname, field=None):
 
 	if not frappe.has_permission(doctype, "read"):
-		frappe.throw(_("Not Permitted"), frappe.PermissionError)
+		frappe.throw(_("Not Permitted to read {0}").format(doctype), frappe.PermissionError)
 
 	if field:
 		custom_field = field + " as " + fieldname