Changes to Get message

added the optional property source/branch_path to the response with the 200 status

the response property recipient_snapshot/email became nullable for the status 200

added the optional property recipient_snapshot/channel_id to the response with the 200 status

added the optional property recipient_snapshot/user_id to the response with the 200 status

added the optional property recipient_snapshot/via_incoming_webhook to the response with the 200 status

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

added the optional property source/workflow_recipient_run_id to the response with the 200 status

added the optional property source/workflow_run_id to the response with the 200 status

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

response property channel_id deprecated

added the optional property source/type to the response with the 200 status

the response property __typename became required for the status 200

the response property channel_id became required for the status 200

the response property engagement_statuses became required for the status 200

the response property id became required for the status 200

the response property inserted_at became required for the status 200

the response property recipient became required for the status 200

the response property source became required for the status 200

the response property status became required for the status 200

the response property updated_at became required for the status 200

added the optional property source/step_ref to the response with the 200 status