* feat(vacuum): add volume state, location, and enhanced collection filters
Align the vacuum handler's admin config with the balance handler by adding:
- volume_state filter (ALL/ACTIVE/FULL) to scope vacuum to writable or
read-only volumes
- data_center_filter, rack_filter, node_filter to scope vacuum to
specific infrastructure locations
- Enhanced collection_filter description matching the balance handler's
ALL_COLLECTIONS/EACH_COLLECTION/regex modes
The new filters reuse filterMetricsByVolumeState() and
filterMetricsByLocation() already defined in the same package.
* use wildcard matchers for DC/rack/node filters
Replace exact-match and CSV set lookups with wildcard matching
from util/wildcard package. Patterns like "dc*", "rack-1?", or
"node-a*" are now supported in all location filter fields for
both balance and vacuum handlers.
* add nil guard in filterMetricsByLocation
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