- Add NetworkIDs and MatchOppositeNetworks to destination model
- Add schema attributes for destination.network_ids
- Handle NETWORK matching target in AsUnifiModel and mergeDestination
- Fix Port type conversion (int32 to string) for API compatibility
- Update go.mod to use local go-unifi with destination network support
Fixes: destination.network_ids silently ignored on update
The UniFi API ignores index on create/update - ordering is controlled
via a separate batch-reorder endpoint. Making index computed-only
prevents "Provider produced inconsistent result after apply" errors.
