Test plugins as loaded modifier, block t update

Update old block t data to match new block t class type

Test if we can load plugin parts, this is a side test for if we want
to not add them to the main Smarty load class

Remove old test source code, no longer needed

test/includes/templates/frontend/test.full.tpl

@@ -21,6 +21,9 @@ BASE: {$BASE}<br>
 <div {popup width="250" caption="Info" text="Text block<br>Control"} style="border: 1px solid black; margin: 5px 0 5px 0; padding: 5px;">
 	POPUP HERE (hover mouse)
 </div>
+<div {pop width="250" caption="Info" text="Text block<br>Control<br>Plugin"} style="border: 1px solid black; margin: 5px 0 5px 0; padding: 5px;">
+	POPUP PLUGIN HERE (hover mouse)
+</div>
 <div>
 	<b>Outside translation test</b><br>
 	TRANSLATION CLASS (OUT): {$TRANSLATE_TEST}<br>