math/wxmaxima: Use wx 3.2, fix connection to maxima
- Use wx 3.2
- Fix connection to maxima by reverting upstream patch:
https://github.com/wxMaxima-developers/wxmaxima/issues/2028
PR: 289270
Approved by: eduardo (mentor)
MFH: 2026Q1
(cherry picked from commit 200782e2d6db2a12601191d0798110568d386bce)