fix: resolve 21 pre-existing schema field drift failures

- info.py: fix InfoVersions queries (core/packages nesting), Connect fields,
  CpuUtilization.percentTotal, Service fields, Server fields, Flash, UPS
- health.py: align versions.core.unraid path in health check query/handler
- docker.py: logs subfield selection, networks nesting, port_conflicts fields,
  check_updates fields, network_details client-side filtering
- storage.py: replace non-existent unassignedDevices with disks query
- keys.py: add permissions subfields, remove lastUsed (not on ApiKey)
- test_query_validation.py: update docker mutations coverage to include 11
  organizer mutations; fix comprehensive check query shape
- test_docker.py: update networks mock to match new docker.networks nesting

uv.lock

@@ -1729,7 +1729,7 @@ wheels = [
 
 [[package]]
 name = "unraid-mcp"
-version = "0.3.0"
+version = "0.4.0"
 source = { editable = "." }
 dependencies = [
     { name = "fastapi" },