kiln: fix behaviour on installing local desk
Sends a %zest when a local desk is asked to be installed on itself, i.e.
the remote and local desk are the same.
?: (~(has by zyn) loc her rem)
abet:(spam (render "already syncing" loc her rem ~) ~)
?: =([our loc] [her rem])
- abet
+ abet:(emit %pass /kiln/install %arvo %c %zest loc %live)
?: =(%base loc)
abet:abet:init:(apex:(sync loc her rem) `%kids)
abet:abet:init:(sync loc her rem)
