User MQTT credentials cannot be used to pubsub owned devices

Devices only seem respond to MQTT requests generated with their own MQTT tokens. The owner’s credentials cannot be used to pub-sub to owned devices, despite having full access.

e.g. User Andrew (id 0xDEADBEEF, token 0x0F0F0F0F) owns 2 devices: Cranberry (id: 0xCCCCCCCC, token: 0xBBBBBBBB) and Raspberry (id: 0x11111111, token: 0xAAAAAAAA). To be able to PubSub to Cranberry and Raspberry, Andrew has to use (id: 0xCCCCCCCC, token: 0xBBBBBBBB) and (id: 0x11111111, token: 0xAAAAAAAA) instead of being able to do this using his own token.

Can you make the device topics be accessible by owners and/or other users with the right set of permissions?