Savannah Chrisley‘s boyfriend, Robert Shiver, got a stamp of approval from her mother, Julie Chrisley — but her father, Todd Chrisley, hasn’t been as receptive. During the Tuesday, January 7, episode of Savannah’s “Unlocked” podcast, Shiver, 40, confirmed that he met Julie, 52, but claimed Todd, 55, “has not been as open” to making an…