fix(core): public user avatar label mis-alignment (#12057)

![image.png](https://graphite-user-uploaded-assets-prod.s3.amazonaws.com/T2klNLEk0wxLh4NRDzhk/09d6b833-2285-405b-b3ef-ec67dbdad147.png)

<!-- This is an auto-generated comment: release notes by coderabbit.ai -->

## Summary by CodeRabbit

- **Style**
  - Improved vertical alignment and positioning of elements in the public user label component for a more polished appearance.

<!-- end of auto-generated comment: release notes by coderabbit.ai -->

packages/frontend/core/src/modules/cloud/views/public-user.css.ts

@@ -3,7 +3,7 @@ import { style } from '@vanilla-extract/css';
 export const publicUserLabel = style({
   fontSize: 'inherit',
   display: 'inline-flex',
-  alignItems: 'center',
+  alignItems: 'baseline',
 });
 
 export const publicUserLabelLoading = style([
@@ -23,4 +23,5 @@ export const publicUserLabelRemoved = style([
 
 export const publicUserLabelAvatar = style({
   marginRight: '0.5em',
+  transform: 'translateY(4px)',
 });