[migractions] add sanity check in rename_relation_type If the relation is still present in the fs schema, we probably shouldn't be renaming it (because it's still in use somewhere, possibly in a different cube). Closes #3608172

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