* update copy on /settings and /options (behind feature flag)
* update copy on /excluded-domains (behind feature flag)
* use && two check both conditions for presence of lock() button
* fix typos in messages
* add description on auto-fill page
* Remove `appBlurClick` from browser extension controls
* Remove last remaining `appBlurClick` from desktop app controls
* Change any straggler `<a>` links to buttons where appropriate (where they don't open a browser window)
* Add missing `type="button"` to some of the desktop buttons
* Update and run prettier, linter
* Remove orphaned jslibs