A few people have mentioned this, but it's worth reiterating: take advantage of your strongest skills and focus on a career that keeps things interesting. I work as an analyst (data and reporting), and I get paid to solve problems and dig deep into unique projects where the major structure of my tasks are defined around me. My job description is nebulous, and that's how I like it. It means I don't get bored. I thrive when I can hyperfocus on novelty, and there's always something new to explore and learn at my job.
As folks with ADHD, our constant cycling of interests tends to make us a jack of all trades, master of none. That is absolutely a marketable trait, and not only in the field of data analytics (though based on your interests you might do really well in it). I don't think passion is necessary in a day job, though it helps. I believe the more important thing is finding an environment where you'll never be bored.
I also want to add, there's no pressure to pick the right path the first time around. In fact, I think having a wide variety of experiences in life can be an asset. Heck, I have a wildlife science degree and experience with seabird research. While I'm glad I had those experiences, and my passion for wildlife is still as strong, I'm not certain that's the best path for my career right now. Maybe that'll change, but it's okay to not have it figured out, especially in our 20's.
I absolutely consider ADHD to be a disability for me, but I'm always having to remind myself of the strengths I have because of, or maybe in spite of it.