RandCropByPosNegLabeld() can't support two labels

[vectorzwt]

Discussed in #1651

^{Originally posted by vectorzwt February 25, 2024}
My task requires segmenting images from two time periods simultaneously, so my model needs to accept two inputs at the same time and get two results. When building a data set, I want to use the 'RandCropByPosNegLabeld' function to get the patch. Are there any good solutions to this problem?