Issue #2951550 by mikelutz, Jo Fitzgerald, quietone, heddn, alexpott, phenaproxima: Make service for field discovery for use in migrate entity derivers
(cherry picked from commit a916e4d4)
Issue #2951550 by mikelutz, Jo Fitzgerald, quietone, heddn, alexpott, phenaproxima: Make service for field discovery for use in migrate entity derivers
(cherry picked from commit a916e4d4)