"Failed to save request" on specifically Oauth 2 (Authorization code) unless PKCE checkbox was checked once

[Gremious]

I have checked the following:

• I use the newest version of bruno.
• I've searched existing issues and found nothing related to my issue.

Describe the bug

I create new empty request: I can save it ok.

I select Auth tab and OAuth 2.0 with grant type "Authorization Code": I can no longer save, message "Failed to save request" pops up.

Other grant types work.

I click the "Use PKCE" checkbox - saving works from here on out.

Using fresh non-portable installer on Windows from the website.

I attched video with me pressing Ctrl+S after every action.

.bru file to reproduce the bug

No response

Screenshots/Live demo link

Bruno_kCllcO2Afy.mp4

[helloanoop]

I have merged the PR. Will ship this in the upcoming patch release v1.13.1

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