Hcl Validate Original Terragrunt Dir

hcl validate resolves get_original_terragrunt_dir() to the discovered unit

terragrunt hcl validate and terragrunt hcl validate --inputs now resolve get_original_terragrunt_dir() to each discovered unit's own directory instead of the directory the command was launched from. Previously, when the command ran from a parent directory that discovered units in subdirectories, any read_terragrunt_config() call that built a path relative to get_original_terragrunt_dir() resolved against the wrong directory and failed with "You attempted to run terragrunt in a folder that does not contain a terragrunt.hcl file", even though plan, apply, and run validate worked on the same configuration.

Both commands now set the original config path per discovered unit before parsing, matching the behavior of run and backend bootstrap, so relative paths resolve against the unit that owns them.