Fix color swatch shrinking in the LSP completion menu (#27450)

### Before

Note how in the second time I try to add a color property, the color
swatch is shrunk.


https://github.com/user-attachments/assets/677a37b2-8ae4-408d-8dea-d9cc4bc2e119

### After


https://github.com/user-attachments/assets/aa902573-1f44-48e1-a396-e22ad5703155

Release Notes:

- Fixed color swatches shrinking upon re-adding a color-related
property.
aab02a4166Danilo Leal committed on 3/25/2025, 7:55:42 PM· committed by GitHubparent9fc570c
1 file changedLine totals unavailable