fix: double escape in link content

We already escape the entire content and don't need to escape the link content a second time. Otherwise, when a link contains, for example, an apostrophe, it's double encoded to &pos; before being displayed on the page.

app/Helpers/Bbcode.php

@@ -291,7 +291,7 @@ public function parse(?string $source, bool $replaceLineBreaks = true): string
         );
         $source = preg_replace_callback(
             '/\[url=(.*?)](.*?)\[\/url]/i',
-            fn ($matches) => '<a href="'.$this->sanitizeUrl($matches[1]).'">'.e($matches[2]).'</a>',
+            fn ($matches) => '<a href="'.$this->sanitizeUrl($matches[1]).'">'.$matches[2].'</a>',
             $source ?? ''
         );
         $source = preg_replace_callback(