cli/command/formatter: Error return value of `ImageWrite` is not checked (errcheck)
cli/command/formatter: Error return value of `ImageWrite` is not checked (errcheck)

Signed-off-by: Sebastiaan van Stijn <64b2b6d12bfe4baae7dad3d018f8cbf6b0e7a044@gone.nl>

cpuguy83/cli,cpuguy83/cli,docker/cli,docker/cli,thaJeztah/cli,thaJeztah/cli