[migration] more rename_entity_type fix
* ensure repository caches and system tables are properly cleanup
* delete relations from/to entities deleted through sql
So we don't ends up with a corrupted db...
# type attribute might already be there if migrating from
# version < 3.5 to version >= 3.5.3, BaseTransition being added
# in bootstrap_migration
if versions_map['cubicweb'][0] >= (3, 5, 0):
add_attribute('BaseTransition', 'type')
sync_schema_props_perms('state_of')
sync_schema_props_perms('transition_of')