Show charges uptime in a similar way to flask uptime in PoB1

[oseparovic]

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• 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?

With sources of passive charge gain per second in the game like Elvore and the Vale Shelter it is now possible to have uptime calculation of charms

Describe the solution you'd like

Next to active charms have a stat sheet showing what percentage of time the charms are up for and what calculations go into that number similar to this

Describe alternatives you've considered

No response

Additional context

No response