issues 362 (#364)

* 🐞 fix issues 352

Solve this problem：
#352

The Reason:
gohugoio/hugo#8688

* fix issues 362

#362

* Revert "🐞 fix issues 352"

This reverts commit 58f8935.

* Revert "Revert "🐞 fix issues 352""

This reverts commit fa0d46c.

* fix issues 362

* Update columns.html

* Revert "Revert "Revert "🐞 fix issues 352"""

This reverts commit 79777a9.

Co-authored-by: Alex Shpak <alex-shpak@users.noreply.github.com>

layouts/shortcodes/columns.html

@@ -1,7 +1,7 @@
 <div class="book-columns flex flex-wrap">
-  {{ range split .Inner "<--->" }}
+{{ range split .Inner "<--->" }}
   <div class="flex-even markdown-inner">
-    {{ . | markdownify }}
+    {{ . | $.Page.RenderString }}
   </div>
-  {{ end }}
+{{ end }}
 </div>