Promise not available in the Spreadsheet excelImport event

[martintabakov]

Bug report

The e.promise is not available in the event arguments of the Spreadsheet excelImport event

Regression introduced with 2024.4.1112

Reproduction of the problem

1. Open this example - https://docs.telerik.com/kendo-ui/api/javascript/ui/spreadsheet/events/excelimport
2. Import a file

Current behavior

The e.promise argument is not available, and an error is thrown

Expected Behaviour

The argument should be available so that no error is thrown

Environment

• Kendo UI version: 2024.4.1112
• Browser: [all]