Add `tootctl media lookup` command (#12283)
* Add a lookup tool to the media cli
* Improved lookup logic
* Clarified wording in the output
* Code style changes
* Code style changes
* Code style changes
* Code style changes
* Add error handling code incase an attachment isn't found
* Code style changes
* Code style changes
* Make requested changes
* Fix styling issues
* Handle other media types
* Remove an inadvertently added log
* Make requested changes
* Make the code safe no matter what the path, S3 or not
* Code style changes
* Code style changes
* Replace select method with Ruby Enumerable grep method