Doesn't work in Chrome after 1 click but works after 2 / Не работает в Хроме после первого нажатия, но работает после двух

[ilyaigpetrov]

I have migrated the extension from Manifest V2 to Manifest V3 to meet new requirements from Google WebStore.
Unfortunately, sometimes new version works only after two mouse presses on the icon.
I guess, the first press wakes up the extension but doesn't copy URL because of some race condition when working with an offscreen document.

If you know steps to reproduce this bug, please, report below, because in my case it breaks only on rare occasions.