Add manual join from groups_of_stop_places_members to stop_places

[Huulivoide]

This change is 

[culka]

Reviewed 1 of 1 files at r1, all commit messages.
Reviewable status: all files reviewed, 2 unresolved discussions (waiting on @Huulivoide)

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-- commits line 2 at r1:
nit group_of_... 🙂

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metadata/hsl/databases/stops/tables/public_group_of_stop_places_members.yaml line 12 at r1 (raw file):

        insertion_order: null
        remote_table:
          name: stop_place

I think it would be better to reference stop_place_newest_version view here, so there can be no extra old stop versions when fetching the member stops.

[culka]

Reviewed 1 of 1 files at r2, all commit messages.
Reviewable status: all files reviewed, 1 unresolved discussion (waiting on @Huulivoide)