Simulates GPS noise. The random walk at StepWalker has growing variance at the expected potision (what is partly slowing down the bot.) This way, the variance is guaranteed to be within the expected range (because it is not accumulating the noise). - Polyline should replicate a human better with this.
past: #2492 somewhat related #3854
Fixes (provide links to github issues if you can):
-Config added. -Wrapped it. Closes #2762