Polish error icon for error log (#55618)
### After 💅
<img width="109" alt="image" src="https://github.com/vercel/next.js/assets/4800338/f90d15a1-ac6e-4fe1-8241-d9e40e9d2e0e">
### Before
<img width="143" alt="image" src="https://github.com/vercel/next.js/assets/4800338/fbc09a29-cac2-459d-8a96-d1a5948947cc">
