[server] fix SQLite patch to ensure TZDatetime are properly typed
NB: at this point, the TZ info is completely ignored. It will be
properly handled in later commits.
# re-read ComputedRelation permissions from schema.py now that we're
# able to serialize them
for computedrtype in schema.iter_computed_relations():
sync_schema_props_perms(computedrtype.type)