minor #19920 [Form] Move some docs from the Choice constraint to the ChoiceType (javiereguiluz)

This PR was merged into the 7.1 branch.

Discussion
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[Form] Move some docs from the Choice constraint to the ChoiceType

Spotted while preparing today's blog post: https://symfony.com/blog/new-in-symfony-7-1-misc-improvements

Commits
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f6a398b Move some docs from the Choice constraint to the ChoiceType

Author: OskarStark

reference/constraints/Choice.rst

@@ -389,29 +389,3 @@ Parameter        Description
 ===============  ==============================================================
 
 .. include:: /reference/constraints/_payload-option.rst.inc
-
-``separator``
-~~~~~~~~~~~~~
-
-**type**: ``string`` **default**: ``-------------------``
-
-This option allows you to customize the visual separator shown after the preferred
-choices. You can use HTML elements like ``<hr>`` to display a more modern separator,
-but you'll also need to set the `separator_html`_ option to ``true``.
-
-.. versionadded:: 7.1
-
-    The ``separator`` option was introduced in Symfony 7.1.
-
-``separator_html``
-~~~~~~~~~~~~~~~~~~
-
-**type**: ``boolean`` **default**: ``false``
-
-If this option is true, the `separator`_ option will be displayed as HTML instead
-of text. This is useful when using HTML elements (e.g. ``<hr>``) as a more modern
-visual separator.
-
-.. versionadded:: 7.1
-
-    The ``separator_html`` option was introduced in Symfony 7.1.

reference/forms/types/choice.rst

@@ -202,6 +202,32 @@ correct types will be assigned to the model.
 
 .. include:: /reference/forms/types/options/preferred_choices.rst.inc
 
+``separator``
+~~~~~~~~~~~~~
+
+**type**: ``string`` **default**: ``-------------------``
+
+This option allows you to customize the visual separator shown after the preferred
+choices. You can use HTML elements like ``<hr>`` to display a more modern separator,
+but you'll also need to set the `separator_html`_ option to ``true``.
+
+.. versionadded:: 7.1
+
+    The ``separator`` option was introduced in Symfony 7.1.
+
+``separator_html``
+~~~~~~~~~~~~~~~~~~
+
+**type**: ``boolean`` **default**: ``false``
+
+If this option is true, the `separator`_ option will be displayed as HTML instead
+of text. This is useful when using HTML elements (e.g. ``<hr>``) as a more modern
+visual separator.
+
+.. versionadded:: 7.1
+
+    The ``separator_html`` option was introduced in Symfony 7.1.
+
 Overridden Options
 ------------------