PHILADELPHIA — Jalen Brunson had Knicks coach Mike Brown referencing “Peanuts” to describe his impact.  The Knicks trailed by as many as 12 points in the first quarter of their 108-94 Game 3 win over the 76ers on Friday night at Xfinity Mobile Arena. Brunson had started the game 0-for-4 and finished that first quarter 2-for-8. It looked like, without OG Anunoby, this was a night where the 76ers could make it a series.  But Brown never worried. Brunson is the security blanket that makes him feel