Changes to Get fetched comments for a post

added the new TWITTER enum value to the items/items/platform response property for the response status 200

added the new enum value TWITTER to the query request parameter platform

added the non-success response with the status 502

added the non-success response with the status 503

added the non-success response with the status 504

added the optional property items/items/platformData/likedByAutomation to the response with the 200 status

added the optional property items/items/platformData/mediaProductType to the response with the 200 status

added the optional property items/items/platformData/source to the response with the 200 status