Since we have the Pybricks logo elsewhere now, we don't need to have
this button on the toolbar. Instead, put it in the settings where it
is out of the way, but can still be used to watch the tour again if
desired.
Some steps are reordered so we don't jump back and forth between
activities since we are starting from the settings tab now.
Also fix changing the selected activities tab when closing the tour.
This shouldn't be translated so we make a constant to ensure that. Also
makes it easy to get the registered trademark symbol which isn't
trivial to type on the keyboard.
David Lechner
Laurens Valk