The visualisation will not change into a Lefthand-Bass but of course the bass will be made according to your choice.
The scale length of the visualisation is always long scale 34'' but of course the bass will be made according to your choice.
Keep in mind that the size of the body also changes.
Example Picture:
Only 21 frets & 24 frets will be visualized. 22 frets will be visualized as 21 frets but of course the bass will be made according to your choice.