Game, Virtual Keyboard, allow left click and hold to repeat a character or action

[LeHerosInconnu]

Preliminary checks

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Describe the problem requiring a solution

In fheroes2, for the Virtual Keyboard, allow left click and hold to repeat a character or action.
In the example, with the "delete" key.

In fheroes2:

Describe the possible solution

Make left click and hold repeat a character or action.

Additional info

No response