feat(desktop): import from Chrome, Edge, Brave, Vivaldi, Opera, Arc and Firefox#7260

fix(desktop): discover Firefox Snap profiles for browser import

chore(desktop): keep the container comment beside its predicate

perf(desktop): resolve host addresses once per Firefox lock scan

fix(desktop): read Firefox SameSite from every schema

fix(desktop): import an unset SameSite as unspecified, not none

fix(desktop): find the fcntl probe from a Dock launch, and count hostname-resolved addresses as local

fix(desktop): recognise any local address as the owner of a Firefox lock symlink

fix(desktop): log the keychain read only for Chromium, and narrow the Windows lock probe

fix(desktop): probe Firefox's fcntl lock so a running macOS Firefox is detected

fix(desktop): stop reading Firefox's leftover lock files as a running browser

fix(desktop): convert Firefox cookie expiries by schema version

fix(desktop): follow browser database symlinks

docs(desktop): describe shared cookie read results

refactor(desktop): share browser cookie result types

fix(desktop): count Firefox profile cookies

fix(desktop): validate Firefox profile paths

fix(desktop): find Linux Firefox profiles

refactor(desktop): handle the cookie read failures by tag

refactor(desktop): drop the redundant reason from the Firefox read error

refactor(desktop): name the database a Firefox read failed on

refactor(desktop): give the Firefox read path a tagged error

fix(desktop): detect a running Firefox and keep containers apart

feat(desktop): import from Chrome, Edge, Brave, Vivaldi, Opera, Arc, Firefox