fix: callout rendering nested child shortcodes as markdown

See https://discord.com/channels/722225264733716590/742863504515793149/813105748283883570

wowchemy/layouts/shortcodes/callout.html

@@ -1,5 +1,5 @@
 <div class="alert alert-{{ .Get 0 }}">
   <div>
-    {{ .Inner | markdownify | emojify }}
+    {{ .Inner }}
   </div>
 </div>