Addresses https://github.com/mozilla-mobile/fenix/issues/14031

* Show dialog when permissions are denied

* Add qr permissions dialog to search dialog fragment

* Add qr permissions dialog to the pairing screen

* Show dialog after permissions have been denied

* Reset focus after denying permissions

* Show dialog after permissions denied in search frag and par frag

* Use shared preferences to store camera permission state

* Move dialog creation into the search controller and add tests

* Dialog controller implementation and test

* Route to intent with correct activity. Set focus when dismissing dialog

* Get preferences in old search

* Issue #14855 - Port L10N uplift script from AC, author grisha

* Issue #14855 - Additional usage note for l10n-uplift

Set the padding on the download action button as it didn't have a padding as the numbers of characters in the text of the button grew.

Three new settings and one for which this patch just pre-lands the strings.
The behavior for the "Swipe toolbar up to open tabs" is to be added as part of
a later ticket.

The "Can you reproduce in Firefox for Android?"-question that is now obsolete since Fennec is EOL. Also, fenix uses the shield icon to open ETP toggle, and not the lock icon

* Automatically run PermissionStorage on IO thread

* Run TabCollectionStorage on dedicated scope + IO

* Update findSitePermissionsBy calls

The EngineSessionState of a tab is now always accessible through tab.engineState.engineSessionState. It will
never get cleared.