Make --output formatting apply to error responses

[jhg03a]

Prerequisites

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Description

When using the --output json formatting option on a request I received an http 400 error on from the vinyldns api, I discovered that it no longer prints using json formatting. Instead it prints a standard multiline, indented error message.

Steps to Reproduce

1. Submit a change which will return an error to the vinyldns api
2. Observe the output formatting not being respected

Expected behavior: I expect to get a json formatted error response when using the json output format, but it would apply equally to all output formats.

Actual behavior: Instead it prints a standard multiline, indented error message.

Reproduces how often: 100

Versions

Found in 0.10.1