Problem for import booksmark in firefox- ubuntu

Hi, I have problem for import my bookmark. I installed firfox from snapstore. i uninstall it and then again installed it from snapp store. after re-installing i want to signin in my account and then import my bookmarks & passwords. so i enter my email(i always use this email) but for the password i forgoted it so i click on change password and change it so i entered to my account with new password now here my problems started : i cant import data ! there is nothing! why? :( in another try i cick on import browser data it shows me this options import bookmarks from html or csv file. but i dont have these files! so my question is how can i import my previouse booksmarks and password ?! i really need them :( thankyou for your help! Ubuntu 24.04.1 LTS - my firfox version : 133.0 (64-bit)