After upgrade to Insomnia 13.0.2, the graphql mutation response is getting encoded

### Expected Behavior

i configured graphql mutation calls and was testing locally. it was all working fine until i upgraded the insomnia version to 13.0.1 and then to 13.0.2 . check the attached screenshot.

critical issue as the behavior would be disturbing all updates.

### Actual Behavior

response is getting encoded into gibberish data. it works with postman or other testing tools.

### 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

12.9

### What operating system are you using?

macOS

### Operating System Version

26.5.1 (25F80)

### Installation method

brew install

### Last Known Working Insomnia version

12.9