Erik Johnston 3715c124b3 Grandfather in existing user threepids
We assume, as we did before, that users bound their threepid to one of
the trusted identity servers. So we simply fill the new table with all
threepids in `user_threepids` joined with the trusted identity servers.
2019-04-01 15:25:19 +01:00
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2019-03-08 16:38:23 +00:00