[tests/checkintegrity] use the new connection api * serverctl: the db-check command also uses an internal connection object, which makes more sense in the context of `checkintegrity`. * checkintegrity: rename srvcnx to just cnx (a bit because in the near future, there will be one cnx to rule them all)

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sync_schema_props_perms('cw_source', syncprops=False)

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if schema['BigInt'].eid is None:

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    add_entity_type('BigInt')