Changes to Get topic by ID

the response property _status/messages/items/data became nullable for the status 400

the response property _status/messages/items/data became nullable for the status 404

the response property _status/messages/items/detail became nullable for the status 400

the response property _status/messages/items/detail became nullable for the status 404

the response property admin_key became nullable for the status 200

the response property auto_renew_account became nullable for the status 200

the response property auto_renew_period became nullable for the status 200

the response property created_timestamp became nullable for the status 200

the response property custom_fees/fixed_fees/items/collector_account_id became nullable for the status 200

the response property custom_fees/fixed_fees/items/denominating_token_id became nullable for the status 200

the response property deleted became nullable for the status 200

the response property fee_exempt_key_list/items became nullable for the status 200

the response property fee_schedule_key became nullable for the status 200

the response property submit_key became nullable for the status 200

the response property timestamp/to/allOf[#/components/schemas/TimestampNullable] became nullable for the status 200

the response property topic_id became nullable for the status 200