Cannes: In the French-Costa Rican director’s stirring follow-up to “I Have Electric Dreams,” an already fractured family drifts further apart as each member wrestles with existential dislocation at various junctures in their lives. Past lives and phantasms cue a sophisticated journey into self for three Costa Rican women seemingly adrift, in one way or another, in Valentina Maurel’s “ Forever Your Maternal Animal ,” which cuts closer to the bone than many movies of its kind in conveying that