fix: use correct roles when folders_to_include is set

[PengyuanZhao]

Summary

• Fix roles when folders_to_include is set
• Remove roles/resourcemanager.organizationViewer. It's permission is already covered by roles/browse
• Add dependencies for lacework_integration_gcp_cfg
• Clean up code

How did you test this change?

Run

provider "google" {}

provider "lacework" {}

module "gcp_organization_level_config" {
  source = "../../"

  org_integration = true
  organization_id = "121868925203"
  project_id      = "abc-demo-project-123"

  folders_to_exclude = ["folders/561670468574"]
}

Integration completes successfully: