Is my close friend secretly gay?

I’ve had this coworker who I’ve been suspecting gay for a long time. I don’t like her or anything romantically I’m just curious because it’s been weighing on me. She’s a year and a half younger than me and whenever we talk about celebrity guy crushed she has nothing rlly to say and said she likes this one Korean guy who is feminine looking lol.
Also she agreed with me when I said zendaya was hot. She gets very close to me when we talk like overwhelmingly close sometimes which I’ve shrugged off. Recently she’s started touching me weirdly. She touched my arm when she accidentally bumped into me. Which that wasn’t too serious because I’ve seen her do it to another coworker before. Also she brushed my butt yesterday and swore up and down it was an accident. Also we were joking around yesterday about some stuff and afterwards she comes behind me and starts untying and playing with my apron right in front of our other coworker which was awkward.
There’s this other girl who she’s close to who is also my age but I think she’s closer to her. She’s rlly clingy towards her and they’re always talking and I’ll even seen the girl hug her when she leaves it goes home and I think she has her number. Once she asked if she had a boyfriend or if she had ever had one.
I do have a boyfriend and she knows which is maybe why she refrains doing all that with me but she still does that stuff I mentioned above with me. also sometimes she looks rlly nervous or flustered while talking to me.
Is she attracted to me? Lol I wanna know because we’re close work friends
Is my close friend secretly gay?
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