http1: marks tx as updated when setting an event

Ticket: 8224

We sometimes set events to the last tx, so we do not have access
to the HtpTxUserData in the caller HTPHandleError

(cherry picked from commit c333b28719)

src/app-layer-htp.c

@@ -326,6 +326,10 @@ static void HTPSetEvent(HtpState *s, HtpTxUserData *htud,
         htud = (HtpTxUserData *) htp_tx_get_user_data(tx);
         if (htud != NULL) {
             AppLayerDecoderEventsSetEventRaw(&htud->tx_data.events, e);
+            if (dir & STREAM_TOCLIENT)
+                htud->tx_data.updated_tc = true;
+            if (dir & STREAM_TOSERVER)
+                htud->tx_data.updated_ts = true;
             s->events++;
             return;
         }