Merge remote-tracking branch 'origin/support/3.0' into support/3.1

sources/Application/WebPage/AjaxPage.php

@@ -57,6 +57,16 @@ class AjaxPage extends WebPage implements iTabbedPage
 		$oKpi->ComputeStats(get_class($this).' creation', 'AjaxPage');
 	}
 
+	/**
+	 * Disabling sending the header so that resource won't be blocked by CORB. See parent method documentation.
+	 * @return void
+	 * @since 2.7.10 3.0.4 3.1.2 3.2.0 N°4368 method creation
+	 */
+	public function add_xcontent_type_options()
+	{
+		// Nothing to do !
+	}
+
 	/**
 	 * @see static::$bOutputDataOnly
 	 * @param bool $bFlag