Fix aggreagte with named vectors for non-vectorsearch ops

[dirkkul]

What's being changed:

code to reproduce

agg = collection.aggregate.over_all(return_metrics=wvc.aggregate.Metrics("number").integer())
assert isinstance(agg.properties["number"], AggregateInteger)
assert agg.properties["number"].sum_ == 3
assert agg.properties["number"].minimum == 1

Review checklist

• Documentation has been updated, if necessary. Link to changed documentation:
• Chaos pipeline run or not necessary. Link to pipeline:
• All new code is covered by tests where it is reasonable.
• Performance tests have been run or not necessary.

[sonarcloud]

Quality Gate passed

Issues
0 New issues

Measures
0 Security Hotspots
No data about Coverage
0.0% Duplication on New Code

See analysis details on SonarCloud