I don't understand. You talk about your supervisor going crazier and crazier and yet, from what you've told us, the only person acting in an unusual way is you.
You seem to be determined to interprete every facial expression of hers in some way. As if all her expressions have some meaning.
It's you that fist bumped her, and seem to making this 2 second action into a big deal in your life.
It's you that has been thinking about someone else's work pattern. Who cares if she normally works Monday or not?
You have been focusing on details of her looks, the hat and the messy hair. Again, so what if she has a hat on or messy hair?
It's you that requested to be moved to a different floor. It's you that has been affected by her presence to the point where you feel that it's a significant distraction to your work.
It's understandable that people at work are making jokes are your expense. Especially with it being a warehouse. They are tedious places to work where any comic relief is welcomed.
From what you've told us, your supervisor has not sexually harassed you at all. She has remained reasonably professional. The laughing about you is a bit unprofessional, but it's within the bounds of acceptability.
2 big things strike me.
1 Don't you have some love interest that you are pursuing outside the warehouse? Someone, or multiple people from your non-work social circle?
If not, look into fixing that.
2 What are you doing on a minimum wage job in some warehouse? It's a trap. If you're at a life stage where mimimum wage is all you can get, at least make it somewhere where you are learning transferable skills. EG direct sales, some customer facing role.