fix(schema-engine): Ensure WS migrations can use shadow database #5021
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Previousy, when creating shadow DB connection over websocket, we
connected to the same DB which broke in every
migrate
case except theone that starts with clean migration history.
This PR ensures it works normally. Implementation is quite cursed
though: for WS we now allow to override db name via
dbname
querystring parameter. If set, we ignore
dbname
that we got from migrationserver and use provided DB with the same username and password. Shadow
DB then uses this query string parameter to specify the url.
Close ORM-325