bug #7534 Fix RepeatedType fields not inheriting Bootstrap column classes (Mozoou)

This PR was submitted for the 5.x branch but it was merged into the 4.x branch instead.

Discussion
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Fix RepeatedType fields not inheriting Bootstrap column classes

Symfony defines a `repeated_row` block in `form_div_layout.html.twig` hat bypasses `form_row` entirely, rendering only child rows without any column wrapper. This caused fields using RepeatedType (e.g. password confirmation) to lose their Bootstrap grid classes.

Fix by overriding `repeated_row` in EasyAdmin's form theme to apply the same column wrapper logic used in `form_row`.

Fixes [#5676](#5676)

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Commits
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35ac676 Fix RepeatedType fields not inheriting Bootstrap column classes

Author: javiereguiluz

templates/crud/form_theme.html.twig

@@ -118,6 +118,20 @@
     {% endif %}
 {% endblock form_row %}
 
+{% block repeated_row %}
+    {% set field = form.vars.ea_vars.field %}
+
+    <div class="{{ field.columns ?? field.defaultColumns ?? '' }}">
+        {{- block('form_rows') -}}
+    </div>
+
+    {# if a field doesn't define its columns explicitly, insert a fill element to make the field take the entire row space #}
+    {% if field.columns|default(null) is null %}
+        <div class="flex-fill"></div>
+    {% endif %}
+
+{% endblock repeated_row %}
+
 {% block choice_widget_collapsed %}
     {% if 'ea-autocomplete' == attr['data-ea-widget']|default(false) %}
         {% set attr = attr|merge({