Revert precache change for member orgs that broke filtering

After switching to the precache, none of the filtering was applying properly for requesting specific working groups. We don't really want to precache and refresh every WG combo that's attempted, as it could get expensive to compute. In this case, standard caching is enough to provide good performance. In the future we can evaluate how to properly switch this over without feature loss, but for now this fixes the issue.

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