GraphiQL is missing header configuration

[axelhildingson]

New Issue Checklist

• [X ] I am not disclosing a vulnerability.
• [ X ] I am not just asking a question.
• [ X ] I have searched through existing issues.
• [X ] I can reproduce the issue with the latest versions of Parse Server and Parse Dashboard.

Issue Description

The old playground included the possibility to configure the header. I used it to change it to session-token instead of master key to test the query for a specific user.

It looks like this feature is included in graphiql but is hidden.

Steps to reproduce

Actual Outcome

Expected Outcome

Environment

Dashboard

• Parse Dashboard version: 3.2.0
• Browser (Safari, Chrome, Firefox, Edge, etc.): chrome

Logs

[parse-github-assistant]

Thanks for opening this issue!

• 🚀 You can help us to fix this issue faster by opening a pull request with a failing test. See our Contribution Guide for how to make a pull request, or read our New Contributor's Guide if this is your first time contributing.

[dblythy]

Hey @axelhildingson! Thanks for submitting this issue. GraphIQL is a new feature added to resolve the issues that GraphQLPlayground was causing, so we appreciate you jumping in and trying it out!

Would you be willing to submit a PR fixing this?

[axelhildingson]

Thank you for fast answer!

I can take a look at it, when I have time it is not super prio at this moment.

[mtrezza]

Closing via #1836