Fix an issue where additional users weren't being persisted

database/migrations/06-remove-unique-user-constraint.sqlite.sql

@@ -0,0 +1,18 @@
+PRAGMA foreign_keys=off;
+
+ALTER TABLE "user" RENAME TO "old_user";
+
+CREATE TABLE "user" (
+	mxid TEXT PRIMARY KEY,
+	id   TEXT,
+
+	management_room TEXT,
+
+	token TEXT
+);
+
+INSERT INTO "user" SELECT mxid, id, management_room, token FROM "old_user";
+
+DROP TABLE "old_user";
+
+PRAGMA foreign_keys=on;