Fix for notifications: When a vulnerability reappears, it should not try to recreate a ticket for it

app/services/VulnerabilityNotificationService.scala

@@ -68,6 +68,10 @@ class VulnerabilityNotificationService @Inject() (protected val dbConfigProvider
       ept.tickets.filter(_.done === false).result
     )
 
+    def loadAllTickets(): Future[Seq[(Int, ExportedVulnerability[T])]] = db.run(
+      ept.tickets.result
+    )
+
     def changeProjects(ticketId: Int, diff: SetDiff[String], projects: ProjectsWithReports): Future[Unit] = db.run(
       DBIO.seq(
         ept.tickets.filter(_.id === ticketId).map(_.done).update(diff.newSet.isEmpty),