feat: add system instance info panel (#5716)

* feat: add system instance reporting

* feat: show system instance resources

* fix: update translations for heartbeat messages in Russian and Vietnamese

model/task_cas_test.go

@@ -48,6 +48,7 @@ func TestMain(m *testing.M) {
 		&UserSubscription{},
 		&UserOAuthBinding{},
 		&PerfMetric{},
+		&SystemInstance{},
 		&SystemTask{},
 		&SystemTaskLock{},
 	); err != nil {
@@ -73,6 +74,7 @@ func truncateTables(t *testing.T) {
 		DB.Exec("DELETE FROM user_subscriptions")
 		DB.Exec("DELETE FROM user_oauth_bindings")
 		DB.Exec("DELETE FROM perf_metrics")
+		DB.Exec("DELETE FROM system_instances")
 		DB.Exec("DELETE FROM system_task_locks")
 		DB.Exec("DELETE FROM system_tasks")
 	})