IndeterminateProgressBar max_position in constructor does not reflect bar_width change #152
Description
Hello,
During the usage of the IndeterminateProgressBar I found an issue regarding the max_progress. This is only calculated in the constructor. This leads to the issue if you want to change the bar_width after the constructor that the lead is moving outside the visualized area. E.g. if I define bar_width 50 after the constructor then it moves to about 100 depending on lead size.
It would be better to calculate it once on the first tick() call.