feature #50770 [TwigBridge] Allow to change element for form_help block (seb-jean)

This PR was merged into the 6.4 branch.

Discussion
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[TwigBridge] Allow to change element for `form_help` block

| Q             | A
| ------------- | ---
| Branch?       | 6.4
| Bug fix?      | no
| New feature?  | yes
| Deprecations? | no
| License       | MIT

Currently, the element for the block `form_help` is a `div`. With this feature, we are free to change it

Commits
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e08f5444c1 Allows to change element for form_help block

Author: nicolas-grekas

Resources/views/Form/form_div_layout.html.twig

@@ -329,9 +329,9 @@
 {% block form_help -%}
     {%- if help is not empty -%}
         {%- set help_attr = help_attr|merge({class: (help_attr.class|default('') ~ ' help-text')|trim}) -%}
-        <div id="{{ id }}_help"{% with { attr: help_attr } %}{{ block('attributes') }}{% endwith %}>
+        <{{ element|default('div') }} id="{{ id }}_help"{% with { attr: help_attr } %}{{ block('attributes') }}{% endwith %}>
             {{- block('form_help_content') -}}
-        </div>
+        </{{ element|default('div') }}>
     {%- endif -%}
 {%- endblock form_help %}