[schema sync] Update repo._type_source_cache when renaming an entity (closes #2094470) When an entity type is renamed as part of a migration, it leaves stale entries in repo._type_source_cache, which makes subsequent operations on those entities fail (they look for the old entity name instead of the new one).

The property mecanism
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.. XXX CWProperty and co


Property API
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.. XXX feed me

Registering and using your own property
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.. XXX feed me