Is the background color of diff as expected? #196685
Description
Reproduction steps：
- open vscode.dev
- new a file
- Copy the following to show the effect of the diff code
<<<<<<<
11
=======
aa
>>>>>>>
Version: 1.83.1
Commit: f1b07bd
User Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/118.0.0.0 Safari/537.36
Embedder: vscode.dev