It's not Brie Larson, it's the writing...
No, Brie Larson hasn't made Captain Marvel into a scene-stealing fan fave, but what actor could? The character was written as a woman who spent her early life on earth stifling her personality in order to fit into a male-dominated environment, and then she had her personality taken away and was told to stifle any feelings and individuality she had to fit into a warrior culture. In the solo film, she's written as someone who's had all the charm, humor, personality, warmth, and interpersonal skills that don't involve violence stomped out of her.
I hope the sequel shows Danvers developing some personality, blossoming into the person she was meant to be, learning to live rather than just fight, etc. Maybe then she'll be fun.