Fix project panel icon bouncing when renaming (#8988)

I found the project panel icon has a little bounce when I tried to
rename some files.

Release Notes:

- Fix project panel icon bouncing when renaming.

## Before



https://github.com/zed-industries/zed/assets/28998859/76f04c33-da68-40e2-9c83-045e78187679

**Set `buffer_line_height` to `standard`**


https://github.com/zed-industries/zed/assets/28998859/9a9eca93-5fda-4060-ba1d-0cd4e0486eb8



## After


https://github.com/zed-industries/zed/assets/28998859/29b49f1c-a9ae-4281-8921-8f1d8dd74262

**Set `buffer_line_height` to `standard`**


https://github.com/zed-industries/zed/assets/28998859/8f1ccbb5-fe0e-4905-97c4-cb7431e5dc46