Grouping a column with Group Paging and Client Operations enabled results in slow performance

[alestoya]

Bug report

Grouping a column with Group Paging and Client Operations enabled results in slow performance in comparison to prior versions.

Reproduction of the problem

1. Open the following dojo.
2. Group the Company Name column.
3. Notice that the grouping is considerably slower.
4. Once grouped, open the browser console to observe the elapsed time.

Current behavior

The grouping functionality for the Grid with client operations and group paging would produce approximately 10 times slower results in terms of execution. In comparison to previous versions.

2023.2.718

Expected/desired behavior

The grouping functionality for the Grid with client operations and group paging should produce identical time execution to prior versions, as illustrated in the following dojo.

2022.2.510

Environment

• Kendo UI version: 2023.2.718
• Browser: [all]