Trackpad click stuck clicked?

Hi! I’ve ran into a problem with trackpad on MacBook Air 13” Mid 13 - once I open the lid everything in my system get like stuck, i cant open anything, then I realised my trackpad sends click signal the whole time and I can’t actually use my computer even with external mouse because it won’t react on clicks. Tracking finger works perfectly fine, multitouch gestures also, keyboard works too.

I tried cleaning corners, checked the battery, even removed button from trackpad (metal plate with sticker), and it wont helped. I have no idea how to check what is going on. Do anyone have schematic of this trackpad maybe?

Maybe I can measure something or check circuit board elements to find out what is going on?

Thanks!