What i would do,
Fresh install everything on the new system
Get my saves from old system and import them on the new system
You have to reinstall all homebrew and cia games anyway, might aswell do a nice fresh clean install of everything
Note:
Luma is the only known active cfw
Freeshop is long gone and dead
If you don't have backups in cia form or 3ds form (those need to be converter to cia), you have to use your imagination to get them.
The ticket stuff, i never used it and never digged into it, so can't help you there