[Feature] config to alter the portal frame fill chance

[L9Tigrotto]

would be nice to have the option to change the filling probability of end portal frames, expecially for end remastered mod.

[SimulationOfMario]

Please, this feature is not present in the 1.20.1 config!
It would be very helpful to avoid problems with the End Remastered mod!

[SimulationOfMario]

End Remastered Issue