Directly add notifications element

Since there seems to be an issue with the old way notifications is mounted,
we now hardcode it.

Signed-off-by: Joas Schilling <coding@schilljs.com>

core/templates/layout.user.php

@@ -104,6 +104,7 @@
 
 			<div class="header-right">
 				<div id="unified-search"></div>
+				<div id="notifications"></div>
 				<div id="contactsmenu">
 					<div class="icon-contacts menutoggle" tabindex="0" role="button"
 					aria-haspopup="true" aria-controls="contactsmenu-menu" aria-expanded="false">