Stun buildup calculation

[chhsiung]

Check for duplicates

• I've checked for duplicate open and closed issues by using the search function of the issue tracker

What platform are you running Path of Building on?

Windows

Is your feature request related to a problem?

The problem is knowing if I should invest in more stun buildup or not.

Describe the solution you'd like

Similar to #403, is there a way to have a calculation about stun buildup on your character so you know whether to invest in more passive nodes?

Describe alternatives you've considered

No response

Additional context

No response

[Blitz54]

Fixed by #1378