Closes #25230

```
The shift- modifier can only be used in combination with a letter to indicate the uppercase version. For example shift-g matches typing G. Although on many keyboards shift is used to type punctuation characters like (, the keypress is not considered to be modified and so shift-( does not match.
```

[Document](https://zed.dev/docs/key-bindings#keybinding-syntax)

Release Notes:

- Fixed Keymap use `shift-` modifier symbol