[Feature Request]: desktopCapturer.getSources returned the related pid, appName of windows

### Preflight Checklist

- [X] I have read the [Contributing Guidelines](https://github.com/electron/electron/blob/main/CONTRIBUTING.md) for this project.
- [X] I agree to follow the [Code of Conduct](https://github.com/electron/electron/blob/main/CODE_OF_CONDUCT.md) that this project adheres to.
- [X] I have searched the [issue tracker](https://www.github.com/electron/electron/issues) for a feature request that matches the one I want to file, without success.

### Problem Description

I want to category all windows by process name, now `DesktopCapturerSource` only has it's appIcon, no appName.

### Proposed Solution

returned the appName and pid info in `DesktopCapturerSource`.

### Alternatives Considered

exposed some api in the result.

### Additional Information

_No response_