Add an option to use | as a separator in $permissions #1850

https://adguard.com/kb/general/ad-filtering/create-own-filters/#permissions-modifier
https://github.com/gorhill/uBlock/wiki/Static-filter-syntax#permissions

Change \, to | as more simple and habitual.

AdGuard:
$permissions=storage-access=()\, camera=()
uBO:
*$permissions=oversized-images=()|unsized-media=()