Fix: late frame notification in audio session

Move the late frame notification callback to avoid returning
zeroed epoch time to the caller.

Author: DawidWesierski4

lib/src/st2110/st_tx_audio_session.c

@@ -318,15 +318,14 @@ static int tx_audio_session_sync_pacing(struct mtl_main_impl* impl,
   if (to_epoch < 0) {
     /* time bigger than the assigned epoch time */
     ST_SESSION_STAT_INC(s, port_user_stats, stat_epoch_mismatch);
+    if (s->ops.notify_frame_late) {
+      s->ops.notify_frame_late(s->ops.priv, -to_epoch / pkt_time);
+    }
     to_epoch = 0; /* send asap */
   }
 
   if (epochs > next_epochs) {
     ST_SESSION_STAT_ADD(s, port_user_stats.common, stat_epoch_drop, -to_epoch / pkt_time);
-
-    if (s->ops.notify_frame_late) {
-      s->ops.notify_frame_late(s->ops.priv, -to_epoch / pkt_time);
-    }
   }
 
   if (epochs < next_epochs) {