- add UI support for FREEZE, UNFREEZE, FURNI_TO_USER, USER_TO_FURNI and FURNI_TO_FURNI
- add secondary furni source 101 and dual furni-source labels for furni-to-furni targeting
- extend source selectors for custom source sets and titles
- add green primary and blue secondary wired highlights
- clear wired highlights globally on close, reopen and save to avoid stuck selections