[Enhacement][Grid] Edit cell editor is not initially focused when navigatable is set to true

[Yanko-Georgiev]

Description

When the grid enters incell edit mode and the Grid is navigatable, the cell editor is not initially focused.

Plan

KendoReact Free

Steps To Reproduce

1. Open the following StackBlitz example: https://stackblitz.com/edit/react-cpikbe5k?file=app%2Fapp.tsx
2. Click on a cell to enter edit mode
3. Notice the cell editor is not focused
4. Comment the navigatable property
5. Click on a cell and notice the editor is focused

Actual Behavior

When the grid enters incell edit mode, the cell editor is not initially focused.

Expected Behavior

When the grid enters incell edit mode, the cell editor should be initially focused.

Reported in TicketID: 1691978