Changes to Get Blog Post

the response property image became nullable for the status 200

the response property image_id became nullable for the status 200

the response property meta_description became nullable for the status 200

the response property meta_title became nullable for the status 200

the response property metadata became nullable for the status 200

the response property topic_type became nullable for the status 200

added the optional property metadata to the response with the 200 status

added the optional property product_ids to the response with the 200 status