minor #17293 Trying to add quotation markup (ThomasLandauer)

This PR was merged into the 4.4 branch.

Discussion
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Trying to add quotation markup

Current approach (turning it into a blockquote by indenting it) doesn't work: https://symfony.com/doc/4.4/form/form_collections.html#allowing-new-tags-with-the-prototype

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Commits
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c7325fa Trying to add quotation markup

Author: javiereguiluz

form/form_collections.rst

@@ -412,9 +412,9 @@ you will learn about next!).
     call ``$entityManager->persist($tag)`` on each, you'll receive an error from
     Doctrine:
 
-        A new entity was found through the relationship
-        ``App\Entity\Task#tags`` that was not configured to
-        cascade persist operations for entity...
+    > A new entity was found through the relationship
+    > ``App\Entity\Task#tags`` that was not configured to
+    > cascade persist operations for entity...
 
     To fix this, you may choose to "cascade" the persist operation automatically
     from the ``Task`` object to any related tags. To do this, add the ``cascade``