Related: {https://phabricator.wikimedia.org/T335694}
=== User story
As a person who has a temporary account,
I want the temporary account icon to be clearly different from a regular user account icon,
So that there is an easy visual that helps indicate that I'm not logged into a regular account
=== Proposed design
| PNG | SVG
|-- |--
| {F37001060} | {F37070435}
**Previous proposed designs**
1. Existing userAnonymous icon from Codex/OOUI
{F36971604}
* Used as a placeholder in early work on IP Masking, but considered not ideal as a misrepresentation of the person being incognito in the same way as browser incognito mode.
* Can be confusing for the Unregistered/Anonymous editor user type that would still exist in many places during the MVP
* Stylistically very different from the userAvatar icon
2. Dotted outline avatar
{F36971589}
* Used in Growth usability tests (see [[ https://www.figma.com/file/ts8CCvq453Ot2YYsrhrLoh/Growth-IP-Masking-usability-testing-Q3%2F2022?node-id=549-11313 | figma ]]) with no negative feedback.
* Dotted line is more indicative of the ephemeral nature of the user account but may be harder to notice at the smaller resolution.
=== Acceptance criteria:
Given I am logged into a temporary account,
When I view the menu,
Then the icon used to represent my temporary user account is the temporary account icon: {F37001060}
Given I receive a message from a temporary user,
When I view the notification.
The the icon used to represent the temporary user account is the temporary account icon