fix(telegram): cron and heartbeat messages land in wrong chat instead of target topic (#19367)

Merged via /review-pr -> /prepare-pr -> /merge-pr.

Prepared head SHA: bf02bbf9ce
Co-authored-by: Lukavyi <1013690+Lukavyi@users.noreply.github.com>
Co-authored-by: obviyus <22031114+obviyus@users.noreply.github.com>
Reviewed-by: @obviyus

src/cron/isolated-agent/run.ts

@@ -363,6 +363,7 @@ export async function runCronIsolatedAgentTurn(params: {
   const resolvedDelivery = await resolveDeliveryTarget(cfgWithAgentDefaults, agentId, {
     channel: deliveryPlan.channel ?? "last",
     to: deliveryPlan.to,
+    sessionKey: params.job.sessionKey,
   });
 
   const { formattedTime, timeLine } = resolveCronStyleNow(params.cfg, now);