state: Fix GetEnvMigration so it returns the latest migration attempt
state: Fix GetEnvMigration so it returns the latest migration attempt

mikemccracken/juju,mikemccracken/juju,makyo/juju,ericsnowcurrently/juju,howbazaar/juju,anastasiamac/juju,axw/juju,mikemccracken/juju,marcmolla/juju,axw/juju,dooferlad/juju,perrito666/juju,bac/juju,makyo/juju,anastasiamac/juju,davecheney/juju,davecheney/juju,bac/juju,bz2/juju,dooferlad/juju,AdamIsrael/juju,howbazaar/juju,howbazaar/juju,dimitern/juju,dooferlad/juju,makyo/juju,macgreagoir/juju,mjs/juju,mjs/juju,mjs/juju,bz2/juju,makyo/juju,bz2/juju,kat-co/juju,ericsnowcurrently/juju,marcmolla/juju,waigani/juju,kat-co/juju,axw/juju,perrito666/juju,mjs/juju,mikemccracken/juju,reedobrien/juju,alesstimec/juju,frankban/juju,davecheney/juju,ericsnowcurrently/juju,perrito666/juju,kat-co/juju,frankban/juju,macgreagoir/juju,frankban/juju,bac/juju,davecheney/juju,howbazaar/juju,ericsnowcurrently/juju,axw/juju,ericsnowcurrently/juju,reedobrien/juju,marcmolla/juju,bz2/juju,bogdanteleaga/juju,alesstimec/juju,AdamIsrael/juju,macgreagoir/juju,anastasiamac/juju,reedobrien/juju,waigani/juju,bogdanteleaga/juju,perrito666/juju,dimitern/juju,mikemccracken/juju,alesstimec/juju,howbazaar/juju,alesstimec/juju,bac/juju,kat-co/juju,kat-co/juju,mjs/juju,perrito666/juju,dimitern/juju,AdamIsrael/juju,dimitern/juju,gabriel-samfira/juju,mjs/juju,waigani/juju,reedobrien/juju,dooferlad/juju,macgreagoir/juju,reedobrien/juju,frankban/juju,bz2/juju,anastasiamac/juju,dimitern/juju,bogdanteleaga/juju,alesstimec/juju,marcmolla/juju,marcmolla/juju,gabriel-samfira/juju,frankban/juju,AdamIsrael/juju,anastasiamac/juju,gabriel-samfira/juju,macgreagoir/juju,gabriel-samfira/juju,bogdanteleaga/juju,gabriel-samfira/juju,mjs/juju,dooferlad/juju,bac/juju,waigani/juju,axw/juju