fix: corrects logout icon styling (#7726)

## Description

before: 
<img width="89" alt="Screenshot 2024-08-16 at 12 43 56 PM"
src="https://github.com/user-attachments/assets/1052cfdb-6dde-4b65-a4c0-e37a909dac34">

after:
<img width="48" alt="Screenshot 2024-08-16 at 12 43 35 PM"
src="https://github.com/user-attachments/assets/aa4d6aed-4a78-4b17-a209-df3618b273a1">

- [x] I have read and understand the
[CONTRIBUTING.md](https://github.com/payloadcms/payload/blob/main/CONTRIBUTING.md)
document in this repository.

## Type of change

<!-- Please delete options that are not relevant. -->

- [x] Bug fix (non-breaking change which fixes an issue)

## Checklist:

- [ ] I have added tests that prove my fix is effective or that my
feature works
- [x] Existing test suite passes locally with my changes
- [ ] I have made corresponding changes to the documentation

packages/ui/src/icons/LogOut/index.tsx

@@ -13,7 +13,8 @@ export const LogOutIcon: React.FC = () => (
   >
     <path
       className="stroke"
-      d="M8 16H5.33333C4.97971 16 4.64057 15.8595 4.39052 15.6095C4.14048 15.3594 4 15.0203 4 14.6667V5.33333C4 4.97971 4.14048 4.64057 4.39052 4.39052C4.64057 4.14048 4.97971 4 5.33333 4H8M12.6667 13.3333L16 10M16 10L12.6667 6.66667M16 10H8"
+      d="M12 16H14.6667C15.0203 16 15.3594 15.8595 15.6095 15.6095C15.8595 15.3594 16 15.0203 16 14.6667V5.33333C16 4.97971 15.8595 4.64057 15.6095 4.39052C15.3594 4.14048 15.0203 4 14.6667 4H12M7.33333 13.3333L4 10M4 10L7.33333 6.66667M4 10H12"
+      strokeLinecap="square"
     />
   </svg>
 )