* refactor: replace HelpIcon w/WidgetsIcon
Based on user feedback, we believe the `WidgetsIcon` will cause less
confusion.
* fixup
* refactor: clean up types in ResourceAvatar.tsx
Before, we were using `string` for `type` in `ResourceAvatar`. This
meant it wasn't tied to the types generated from the backend.
Now it imports `WorkspaceResource` so that there is a single source of
truth and they always stay in sync.