Changes to Get a public ListingSource by immutable slug

removed the required property created from the response with the 200 status

removed the required property ingestionMethods from the response with the 200 status

removed the required property operator/partyId from the response with the 200 status

removed the required property operator/partySlugId from the response with the 200 status

removed the required property updated from the response with the 200 status

api operation id getListingSourceBySlug removed and replaced with getPublicListingSourceBySlug

media type application/json was changed to a more specific media type application/problem+json for the response status 400

media type application/json was changed to a more specific media type application/problem+json for the response status 401

media type application/json was changed to a more specific media type application/problem+json for the response status 404

media type application/json was changed to a more specific media type application/problem+json for the response status 500

media type application/json was changed to a more specific media type application/problem+json for the response status 503

removed the non-success response with the status 403

the listingSourceId response's property format changed from uuid to no format for status 200

the operator/partyId response's property format changed from uuid to no format for status 200

removed the required property source/sourceType from the response with the 400 status

removed the required property source/sourceType from the response with the 401 status

removed the required property source/sourceType from the response with the 403 status

removed the required property source/sourceType from the response with the 404 status

removed the required property source/sourceType from the response with the 500 status

removed the required property source/sourceType from the response with the 503 status

added the required property source/type to the response with the 400 status

added the required property source/type to the response with the 401 status

added the required property source/type to the response with the 403 status

added the required property source/type to the response with the 404 status

added the required property source/type to the response with the 500 status

added the required property source/type to the response with the 503 status