Restrict Nextclade assignments to NY99 and sub-branches, not across the global tree

[j23414]

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[j23414]

This probably means setting some outgroups in the Nextclade dataset that do not assign to any of the NY99 and below lineages.

[j23414]

I'm going to close this as the pathoplexus global lineage call is a sufficient workaround.
If we want to dive into datasets, we can open a new github issue.