fix: title not updating when not focused

[scarf005]

Reason

    {/* (optional) set to false to not use requestAnimationFrame and instead update the DOM as soon as possible.
        Useful if you want to update the title when the tab is out of focus 
    */}
    defer={false}

defer is required to update title when tab is out of focus.

nfl/react-helmet#315

Solution

set defer to false