Tab key opens content browser, but doesn't close it after an update

In Creative and Live edit, if you press Tab to open the content browser, then press it again to close it, it doesn’t work anymore. Esc is set to be the key that is now what closes the content browser, but it creates a slog when you are trying to toggle the content browser and work, because you have to look away or at your keyboard to close it now. The ability to close content browser with Tab will bring back all the lost speed when building and make the menu feel more reactive