Add modifiable critical strike chance cap

[Lilylicious]

Finishes #5279 by adding critical strike cap as a mod that can be altered.

Steps taken to verify a working solution:

• Tested with new Winds of Fate unique
• Tested lucky crits, works as intended (50% becomes 75%)

Link to a build that showcases this PR:

https://pobb.in/nktSfdXr-NLo