Authorize "popup" is hidden behind navigation

### Expected Behavior

To be able to see the popup for Authorization

### Actual Behavior

### Reproduction Steps

Go to an OpenAPI definition and click "Authorize"

### 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.
- [ ] Insomnia Cloud sync.
- [x] Local only

### Additional Information

_No response_

### Insomnia Version

13.0.2

### What operating system are you using?

Windows

### Operating System Version

Version: Insomnia 13.0.2 Build date: 2026-06-24 OS: Windows_NT x64 10.0.26200 Electron: 41.0.3 Node: 24.14.0 Node ABI: 145 V8: 14.6.650202-electron.0 Architecture: x64

### Installation method

Download from insomnia.rest

### Last Known Working Insomnia version

10

Reproduce the issue in the Windows Electron app using Insomnia 13.0.2: open an OpenAPI definition and click "Authorize." Trace the navigation and authorization popup UI, then verify that the popup is visible rather than hidden behind navigation.

Written by the indexing model from the issue text.