This comedy/drama with Eddie Murphy, Jeff Goldblum, and Kelly Preston feels meandering but has a spiritual quality. A peculiar man named G (Eddie Murphy) develops a friendship with the manager of a struggling shopping network (Jeff Goldblum) and his coworker (Kelly Preston), both located in Miami. His presence quickly becomes an oddity on the network. “Holy Man” (1998) seems to blend aspects of “Michael” (1996)…