[repository] fix edited_attributes management in multiple SET queries entity.edited_attributes was messed up with previous edited entities. The UpdateStep now gives a new fresh edited_attributes set to repository.glob_update_entity() so that each entity can modify it during its "transaction".

addressbook
basket
blog
book
calendar
comment
company
email
file
folder
i18ncontent
keyword
link
mailinglist
person
tag
timeseries
vcsfile