Fix model deduplication to use provider ID and model ID (#31750)
Previously only used model ID for deduplication, which incorrectly
filtered models with the same name from different providers.
Release Notes:
- Fix to make sure all provider models are shown in the model picker
97c01c6720Ben Brandt committed on 5/30/2025, 1:49:09 PM· committed by GitHubparent310ea43