Clicking on empty space doesn't trigger the context menu

### Expected Behavior

Context menu should appear as if I clicked the `+`

### Actual Behavior

### Reproduction Steps

_No response_

### Is there an existing issue for this?

- [X] I have searched the [issue tracker](https://www.github.com/Kong/insomnia/issues) for this problem.

### Which sync method do you use?

- [ ] Git sync.
- [X] Insomnia Cloud sync.
- [ ] Local only

### Additional Information

_No response_

### Insomnia Version

Version: Insomnia 10.1.1 Build date: 10/24/2024 OS: Darwin arm64 24.0.0 Electron: 31.4.0 Node: 20.16.0 Node ABI: 125 V8: 12.6.228.30-electron.0 Architecture: arm64

### What operating system are you using?

macOS

### Operating System Version

15.0.1

### Installation method

insomnia.rest

### Last Known Working Insomnia version

_No response_

No file, test, or entry point is named. First reproduce the issue in Insomnia 10.1.1 on macOS by clicking empty space, then trace the UI event handling for the plus/context-menu behavior and verify that empty-space clicks open the same menu as clicking +.

Written by the indexing model from the issue text.