Fix notifications schema

migrations/schema.sql

@@ -226,7 +226,7 @@ CREATE TABLE IF NOT EXISTS notifications(
     message TEXT,
     acknowledged BOOLEAN DEFAULT false,
     creationTime TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
-    UNIQUE KEY appPasswords_name_appId_identifier (name, userId, identifier),
+    FOREIGN KEY(eventId) REFERENCES eventlog(id),
     PRIMARY KEY (id)
 );