use item_thread_top = 1 instead of mid = parent_mid and make sure local_channel is intval

Zotlabs/Module/Hq.php

@@ -45,11 +45,11 @@ class Hq extends \Zotlabs\Web\Controller {
 		if(! $item_hash) {
 
 			$r = q("SELECT mid FROM item
-				WHERE uid = %d
-				AND mid = parent_mid
+				WHERE uid = %d 
+				AND item_thread_top = 1
 				ORDER BY created DESC
 				limit 1",
-				local_channel()
+				intval(local_channel())
 			);
 
 			if(!$r[0]['mid']) {

view/js/mod_hq.js

@@ -1,4 +1,4 @@
-function hqLiveUpdate(notify_id, b64mid) {
+function hqLiveUpdate(notify_id) {
 
 	if(typeof profile_uid === 'undefined') profile_uid = false; /* Should probably be unified with channelId defined in head.tpl */
 	if((src === null) || (stopped) || (! profile_uid)) { $('.like-rotator').hide(); return; }
@@ -65,7 +65,7 @@ function hqLiveUpdate(notify_id, b64mid) {
 		// else data was valid - reset the recursion counter
 		liveRecurse = 0;
 
-			if(notify_id !== 'undefined') {
+		if(notify_id !== 'undefined') {
 			$.post(
 				"hq",
 				{