Hardcodes COSINE

[gkennos]

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Bug summary

The graph-based grounding path in omop_graph.py:641 hardcodes metric_type=MetricType.COSINE regardless of what metric the registered model was actually indexed with.

If a model was indexed with L2, the graph grounding path would query with COSINE on potentially un-normalized vectors.

Code for reproduction

n/a

Error messages