No, Disney's canon would not allow it. And even if it did, considering how controversial the Disney Star Wars Universe is most of the time, do you people want it anywhere near KotoR? Bonus points for also being a videogame movie.
I did a search and found that part of KOTOR has been canonized. If this movie is confirmed then I expect that this adaptation and it's content which will be hypothetically shared with the original game will turn those specific things into canon. Similar to how General Thrawn was turned into canon.
Nintendo is selling their IPs to Microsoft and this is true because: