A break-in leads to a robbery leads to a kidnapping of sorts in “Windfall,” a jumbled daylit noir which has the bones of a Hitchcock thriller but the execution of something decidedly lesser. Jason Segel plays a nameless burglar — he’s listed in the cast as Nobody — who breaks into a spacious vacation home in the countryside and helps himself to an expensive watch, relieves himself in the shower and makes his way toward the door. Before he can exit, the homeowners — also nameless, and played by Jesse Plemons and Lily Collins — make their entrance. The thief tries to make his way to the door but…