problem Curcy and litespeed cache

hello i discovered problem with different browsers

https://www.nicolameyer.com/handmade-products/samsung-galaxy-z-fold3-cover-with-card-slot-and-s-pen-wrapper-color-in-photo-natural-hammered-leather/

if go here and change to pound then rechange to euro

the price remain the same…

it apperas correct for 1 sec then return incorrect and remain also the wrong symbol

i use litespeed as cache plugin but trying also wprocket with their suggestions

i deactivated all cached plugin and seems work without

version curcy 2.1.36 or latest 2.1.36.5 same result

can you investigate by your side?
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on mobile i also noticed that drop down menu goes under the other options see photo
how to adjust with css?
neez z-axis.. class???

thanks