I also saw that interview, then out of curiosity I tried to find any evidence of this. There are some fan sites with ostensibly original X-Files scripts out there[1]. Looking through some written by Carter[2], I wonder if this is apocryphal, or if he was messing with her a bit.
[1]: https://www.boggsfiles.com/x-files-scripts-by-season/season-... [2]: https://drive.google.com/file/d/1BQbfRmeq3FsajjYcEuqDHv0kf2B...