events: don't use htmlentities on local (hz) event titles as they are not being used in textareas and umlauts for instance are getting mangled on the calendar display

(cherry picked from commit c1cc76119c)

Zotlabs/Module/Channel_calendar.php

@@ -381,7 +381,7 @@ class Channel_calendar extends \Zotlabs\Web\Controller {
 						'end' => $end,
 						'drop' => $drop,
 						'allDay' => (($rr['adjust']) ? 0 : 1),
-						'title' => htmlentities($rr['summary'], ENT_COMPAT, 'UTF-8', false),
+						'title' => $rr['summary'], 
 						'editable' => $edit ? true : false,
 						'item' => $rr,
 						'plink' => [$rr['plink'], t('Link to source')],
@@ -402,7 +402,7 @@ class Channel_calendar extends \Zotlabs\Web\Controller {
 				echo ical_wrapper($r);
 				killme();
 			}
-	
+
 			if (\App::$argv[1] === 'json'){
 				json_return_and_die($events);
 			}