only parse messages from channel_ready when its a session calling channel ready…

only parse messages from channel_ready when its a session calling channel ready on itself not when another thread calls it

src/switch_channel.c

@@ -1723,7 +1723,7 @@ SWITCH_DECLARE(int) switch_channel_test_ready(switch_channel_t *channel, switch_
 	}
 
 	if (ret) {
-		if (!switch_channel_test_flag(channel, CF_LEG_HOLDING)) {
+		if (!switch_channel_test_flag(channel, CF_LEG_HOLDING) && switch_core_session_in_thread(channel->session)) {
 			switch_ivr_parse_all_events(channel->session);
 		}
 	}