VE-1293: After unifying createSurface (between main surface and surfacew...

...idget) there is a need to pass information about desire to have focus mode dispplayed or not.
Do you think we should explicitly pass focusMode: true or a more generic identifier that this surface is the main surface? Aside from FocusWidget, there may be other widgets in the future that we only want to initialize when the main surface is being set up.