Majority of people are at work in order to do the work. Sure we might develop friendships at work but it’s not why we are there. So focus on work task.

Also many work places don’t recommend confronting coworkers directly and strongly suggest to go directly to appropriate agency. And that’s what she did.

I understand you didn’t really harass her but even if you just subconsciously stare at her, it could make one uncomfortable.

Keep working with therapist. Don’t beat yourself up.