Add the focusFirstQuestion parameter to the PanelModel.expand(focusFirstQuestion) function

[JaneSjs]

T21546 - Expand all taking to the bottom of the page
https://surveyjs.answerdesk.io/internal/ticket/details/T21546

Pass the focusFirstQuestion parameter to the [PanelModel.expand(focusFirstQuestion)](https://surveyjs.io/form-library/documentation/api-reference/panel-model#expand) whether or not the first element within a panel will be focused when a panel is expanded.