Client can't change the locally stored name of a Thread

[andrewxhill]

Clients attempt to change thread name fails,

https://user-images.githubusercontent.com/370259/59051484-d5a31f80-8841-11e9-8b55-d8cc9fe8f311.jpeg

But ideally, any client can change a thread name to whatever they like without affecting what other peers decide to call it.

here's the mobile issue https://github.com/textileio/photos/issues/1093

[sanderpick]

This isn't a bug, it's the indented behavior.

[sanderpick]

We can change the behavior, but in any case, it's not a bug.