fix: Fixed a critical issue introduced in 2.4.83 blocking the synchronisation of edits in certain situations

- events being edited didn't set the locked = 1 flag on push

- as reported by SIEMENS

VERSION.json

@@ -1 +1 @@
-{"major":2, "minor":4, "hotfix":83}
+{"major":2, "minor":4, "hotfix":84}

app/Model/Event.php

@@ -2848,6 +2848,7 @@ class Event extends AppModel {
 				$params = array_merge($params, array('eventid' => $id, 'includeAttachments' => true, 'includeAllTags' => true, 'deleted' => true));
 				$event = $this->fetchEvent($elevatedUser, $params);
 				$event = $event[0];
+				$event['Event']['locked'] = 1;
 				$thisUploaded = $this->uploadEventToServer($event, $server, $HttpSocket);
 				if (!$thisUploaded) {
 					$uploaded = !$uploaded ? $uploaded : $thisUploaded;