Add listHasFocus configuration so that lists can also have focus

[Ircama]

Add listHasFocus configuration so that lists can also have focus.

Example:

"confirmationButton": { 
    "confirmCss": 'btn btn-info btn-sm py-0 px-1 m-1',
    "cancelCss": 'btn btn-secondary btn-sm py-0 px-1 m-1',
    "listenToKeys": true,
    "listHasFocus": true
},