Run clean_html over summaries in portfolio self search results

Signed-off-by: Richard Mansfield <richardm@catalyst.net.nz>

htdocs/search/internal/lib.php

@@ -701,6 +701,7 @@ class PluginSearchInternal extends PluginSearch {
                 else {
                     $newresult['summary'] = $newresult['description'];
                 }
+                $newresult['summary'] = clean_html($newresult['summary']);
                 $result = $newresult;
             }