[PWGCF] Adding an option to reject the inner or outher rings of the FT0 detectors, and adding the option to fill the 'dead' parts of the detector with the mirrored parts.

[PWGCF] Adding an option to reject the inner or outher rings of the FT0 detectors, and adding the option to fill the 'dead' parts of the detector with the mirrored parts. #18285