Fixes on EDF konnector (#675)
Fixes on EDF konnector (#675)

* Fixon edf konnector :  Cannot read property 'ns:listeEcheances' of null

* EDF connector: reduce log to warning, when the user has no edelia.

* EDF konnector : fix emtpy notifications.

clochix/konnectors,clochix/konnectors,poupotte/konnectors,nono/konnectors,nono/konnectors,nono/konnectors,cozy-labs/konnectors,poupotte/konnectors,poupotte/konnectors,cozy-labs/konnectors,clochix/konnectors,cozy-labs/konnectors