Pete Davidson has hopes of becoming a father one day and he’s getting candid about what that might look like for him. In the trailer for the “Saturday Night Live” alum’s episode of “Hart to Heart,” hosted by Kevin Hart, Davidson opens up about his childhood and having the support of his family while getting his stand-up comedy career off the ground. As a self-described “family guy,” Davidson reveals his aspiration to start his own family in the future. “I’m so excited for that chapter.” “My favorite thing ever, which I have yet to achieve, is I want to have a kid. That’s like my dream,” he . . .