Paramount’s all-star comedy ensemble Office Christmas Party began jingling with $950,000 in box office change last night at 2,429 theaters from shows starting at 7 PM. With Office Christmas Party the only major studio wide entry, the notion is that the specialty side of the business will get room to breath, with Lionsgate/Summit’s La La Land opening in five locations and expansions in the works for Fox Searchlight’s Jackie, EuropaCorp’s Miss Sloane and Focus Features’ Noct…