Changes to PATCH /v1/print-jobs/:id/assign

added the new optional request property auto_assign

added the new optional request property expected_printer_id

added the optional property model_file_id to the response with the 400 status

added the optional property model_file_id to the response with the 404 status

added the optional property model_file_id to the response with the 409 status

added the optional property model_file_id to the response with the 500 status

added the optional property model_id to the response with the 400 status

added the optional property model_id to the response with the 404 status

added the optional property model_id to the response with the 409 status

added the optional property model_id to the response with the 500 status

added the optional property reason to the response with the 400 status

added the optional property reason to the response with the 404 status

added the optional property reason to the response with the 409 status

added the optional property reason to the response with the 500 status