Watching the ensemble black comedy “The Estate,” written and directed by Dean Craig and co-starring Toni Collette, will no doubt draw comparison to another ensemble black comedy co-starring Toni Collette, “Knives Out,” which dwells in the same story milieu of money-hungry family members competing for a mention in a wealthy family member’s will. Of course, “Knives Out” is a twisty whodunit in the vein of Agatha Christie, and Craig’s film is merely an exploration of what depravities people might sink to in hopes of getting a bigger piece of the financial pie. Still, there are enough similarities…