#PASSBOLT-484 Rename the isInstanceExisting into validateExists, this function will be mainfully used in model vaildation
#PASSBOLT-484
Rename the isInstanceExisting into validateExists, this function will be mainfully used in model vaildation
et304383/passbolt_api,et304383/passbolt_api,et304383/passbolt_api,et304383/passbolt_api,et304383/passbolt_api