Provide project path to refetched Terraform state GraphQL queries

What does this MR do and why?

Provides projectPath when Terraform states are refetched after a GraphQL mutation. Previously null was passed, which caused an error.

Screenshots or screen recordings

How to set up and validate locally

1. Create a Terraform state via Rails console:

     > Terraform::State.create!(project_id: <project-id>, name: 'test-state')

2. Visit http://path/to/project/-/terraform
3. Click Actions -> Lock state

MR acceptance checklist

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• I have evaluated the MR acceptance checklist for this MR.