Configure external links before dispatching event

This way extensions can override the link attributes

framework/core/src/Formatter/Formatter.php

@@ -117,10 +117,10 @@ class Formatter
         $configurator->Autolink;
         $configurator->tags->onDuplicate('replace');
 
-        $this->events->dispatch(new Configuring($configurator));
-
         $this->configureExternalLinks($configurator);
 
+        $this->events->dispatch(new Configuring($configurator));
+
         return $configurator;
     }