Changes to Customer - Get Customer

the query request parameter id became required

api operation id get_customer_get_customer was added

added the media type application/json for the response with the status 200

added the media type application/json for the response with the status 400

added the media type application/json for the response with the status 401

added the non-success response with the status 403

added the non-success response with the status 429

added the non-success response with the status 500

added the non-success response with the status 400

added the non-success response with the status 401

removed the media type application/json for the response with the status 200

api operation id get_customer_get_customer removed and replaced with

the query request parameter id became optional

removed the non-success response with the status 400

removed the non-success response with the status 401

removed the non-success response with the status 403

removed the non-success response with the status 429

removed the non-success response with the status 500