Specific HTML load for lib_phpQuery.php (#4243)

And reverts a less appropriate workaround for the same thing in https://github.com/FreshRSS/FreshRSS/pull/4220
Avoids XML errors when believing that a document might be XML/XHTML.

app/Models/Entry.php

@@ -484,7 +484,7 @@ class FreshRSS_Entry extends Minz_Model {
 			/**
 			 * @var phpQueryObject @doc
 			 */
-			$doc = phpQuery::newDocument($html);
+			$doc = phpQuery::newDocumentHTML($html);
 
 			if ($maxRedirs > 0) {
 				//Follow any HTML redirection