set the server updated at in the localstorage item
set the server updated at in the localstorage item

this fixes the problem that when typing while syncing a write conflict
is triggered.

the content may have been updated in the meantime from the same source.
if we don't do this we will get a conflict, which is not what we want in
this case.

panter/mykonote,panter/mykonote,panter/mykonote