so much research.Whether I’m talking about a wax figure of Marilyn Monroe or Lady Gaga in “House of Gucci” is anyone’s guess.But just about every major Best Actress contender next year is acclaimed for playing a real, very famous person in a movie based on history. Yawn!Worse, there is a distinct possibility that, for the first time ever, all five slots in the category could be filled by a portrayal of an actual person.