Allow to override global token in the remote backend

[samm-git]

This PR allows to override token in the backend or data source configuration. This should allow to use different tokens, e.g. in the multi-org setup when main token will be used for the state storage and data source will set own token set.

This unblocks multi-org data sources in TFE using remote_state data source.

This should fix #23093 issue

testcase:

variable "tftoken" {
  type    = string
  default = "<token1>"
}

data "terraform_remote_state" "foo" {
  backend = "remote"

  config = {
    organization = "ORG1"
    hostname = "terraform.example.cloud"
    token =  var.tftoken

    workspaces = {
      name = "test1"
    }
  }
}

data "terraform_remote_state" "bar" {
  backend = "remote"

  config = {
    token = var.tftoken


    organization = "ORG1"
    hostname = "terraform.example.cloud"

    workspaces = {
      name = "test2"
    }
  }
}

data "terraform_remote_state" "neworg" {
  backend = "remote"

  config = {
    token = <token2>

    organization = "ORG2"
    hostname = "terraform.example.cloud"

    workspaces = {
      name = "test"
    }
  }
}
output "foo" {
  value=data.terraform_remote_state.foo.outputs
}

output "bar" {
  value=data.terraform_remote_state.bar.outputs
}

output "neworg" {
  value=data.terraform_remote_state.neworg.outputs
}

[samm-git]

Ping. Anyone around to review?

[hashicorp-cla]

All committers have signed the CLA.

[crw]

Thanks for the submission! Since this was filed, as I understand it this issue has been fixed with subsequent PRs. Please see: #30917 and previously #30663 which closed #30664. I am digging into whether or not this closed your issue #23093. I am going to proactively close this PR as it looks like it would require a revisiting in any case even if that issue is still open. Please let me know if you think I am doing so in error. Thanks again for your submission!

[github-actions]

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