Implement customisable confirmation button for single step user tours

Single-step user tour

Right now it seems that the only button that’s always displayed is the user tours, regarding their complexity, is the “End tour” one, which acts more like what we commonly find in other products' user tours as “Skip”. 

In the new design, tours with a single step should not display this "skip" button that dismisses the tour, but instead will show some kind of agreement button. The button text should also be customizable by each user tour, to make user tours sound less robotic.

This is how it looks now:

How it could look: