Show correct avatar on items when viewing a microcosm
Show correct avatar on items when viewing a microcosm

Previously this was showing the user's avatar, it now shows the avatar of the
user who last updated the item.

microcosm-cc/microweb,microcosm-cc/microweb,microcosm-cc/microweb,microcosm-cc/microweb,microcosm-cc/microweb,microcosm-cc/microweb