Use issue participation for agent history

Co-Authored-By: Paperclip <noreply@paperclip.ing>

server/src/routes/issues.ts

@@ -233,6 +233,7 @@ export function issueRoutes(db: Db, storage: StorageService) {
     const result = await svc.list(companyId, {
       status: req.query.status as string | undefined,
       assigneeAgentId: req.query.assigneeAgentId as string | undefined,
+      participantAgentId: req.query.participantAgentId as string | undefined,
       assigneeUserId,
       touchedByUserId,
       unreadForUserId,