Welcome Galdr!
Yes, a common side effect of HRT is sexual disfunction.
But, for some it is necessary to avoid dysphoria, which may be roughly characterized as testosterone poisoning.
Discussing your situation with a therapist may be helpful in deciding exactly what you wish to achieve by transitioning. Once you know what you want, then you may be able to find a solution with minimal adverse side effects. Where do you want to be long term, years after completing the transition. You are young enough that this is an important question.
There are some here, including myself, that have never needed HRT.
But, everyone's situation is different, so you really need to talk about what will work for you.
Marion