Fix #5636, #5665, and #5667

Description and notes

Fixes #5636 (closed), #5665 (closed), and #5667 (closed)

Merge Checklist

• I have read CONTRIBUTING.md
  • and
    • my code editor has
      • ESLint support enabled
      • TypeScript support enabled
      • some form of spell checker
        • We suggest using a spell checker compatible with cSpell if possible
    • my changes compile successfully and seem to work properly
    • I am using the simple compiler (simple-compiler.[bat or sh])
    • I am using the normal compiler (compile.[bat or sh])
    • this is my first merge request
    • the changes in this merge request comply with the coding style defined in CONTRIBUTING.md

Changes made

• Move the temp variable for husks from V.temp.activeSlave to V.temp.husk
• Add the both type to WombReserveCount()
• Gate the gene pool code in App.UI.SlaveInteract.huskSlaveSwap() making husk slave swapping work

Things left to do

• code review (this is done by one or more people other than you)
• final tests
• let Pregmodder know that this is ready for merging