Fix unused parameter in generated code

[j0k3r]

Description

When using the default behavior (ie: config rawRequest as false), the generated code has a E unused variable which make TS yelling when TS options noUnusedParameters is true.

The fix is put that variable onlye when rawRequest is true.

Related #453
This is replacement of #454 (because OP doesn't reply)

I tried to add stuff inside dev-test but I failed to understand properly how can I achieve that. Happy to add them if someone point me to the right direction.

Type of change

Please delete options that are not relevant.

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as
  expected)
• This change requires a documentation update

How Has This Been Tested?

The generated code doesn't include the variable so TypeScript is happy.

Checklist:

• I have followed the
  CONTRIBUTING doc and the
  style guidelines of this project
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes
• Any dependent changes have been merged and published in downstream modules

[changeset-bot]

🦋 Changeset detected

Latest commit: 4b4c143

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 1 package

Name	Type
@graphql-codegen/typescript-generic-sdk	Patch

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[saihaj]

Thanks!