chg: [API] users/edit refactor
chg: [API] users/edit refactor

- load only what is needed
- handle API requests in a cleaner way

SteveClement/MISP,SteveClement/MISP,FIRSTdotorg/MISP,MISP/MISP,MISP/MISP,SteveClement/MISP,SteveClement/MISP,FIRSTdotorg/MISP,FIRSTdotorg/MISP,FIRSTdotorg/MISP,MISP/MISP,MISP/MISP,SteveClement/MISP,MISP/MISP