can't login

Nobody has claimed this yet.

### Expected Behavior

I can log in :)

### Actual Behavior

can't login, last macOS, last version of insomnia (12 4 0 from 5th of march)
button "the manually enter token button" also doesn't work. in every browser same behavior, no chances. the computer is totally clean and new, no some extensions etc.

### Reproduction Steps

1. in app login - continue with email (or another, everything is the same, with google etc.)
2. we have redirect in browser and waiting - later mistake from screenshot, button with enter token manually doesn't work too.

### 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

12.4.0 last version

### What operating system are you using?

macOS

### Operating System Version

macOS Tahoe 26.3.1

### Installation method

insomnia rest from

### Last Known Working Insomnia version

I don't know, something 2 months ago

Start by reproducing the login flow in the Insomnia desktop app on macOS 26.3.1, including the browser redirect and manual token entry, using Insomnia 12.4.0 with Cloud sync. Compare the behavior across the listed sign-in methods and browsers. Done means the browser callback or manual token flow completes and the user can log in.

Written by the indexing model from the issue text.