Merge branch '6.4' into 7.0

* 6.4: (21 commits)
  [ErrorHandler] Add missing self-closing tags on link elements
  Fix merge (bis)
  Fix merge
  Add missing return type
  [FrameworkBundle] ConfigBuilderCacheWarmer should be non-optional
  [HttpClient] Fix pausing responses before they start when using curl
  [Notifier] Updated the NTFY notifier to run without a user parameter
  [Translation] Fix constant domain resolution in PhpAstExtractor
  separate child and parent context in NotificationEmail on writes
  [Mailer] [Mailgun] Fix sender header encoding
  do not overwrite the cache key when it is false
  [Mailer] [Scaleway] Fix attachment handling
  [Mailer] Throw TransportException when unable to read from socket
  [Serializer] Rewrite `AbstractObjectNormalizer::createChildContext()` to use the provided `cache_key` from original context when creating child contexts
  Revert #47715
  [HttpClient] Fix error chunk creation in passthru
  Adjusting and removing the 'review' attribute from the pt_br translation XML.
  [DependencyInjection] Fix loading all env vars from secrets when only a subset is needed
  Fix option filenameMaxLength to the File constraint (Image)
  [Serializer] Take unnamed variadic parameters into account when denormalizing
  ...

Tests/Functional/Bundle/CsrfFormLoginBundle/Resources/views/Login/after_login.html.twig

@@ -1,8 +1,8 @@
 {% extends "base.html.twig" %}
 
 {% block body %}
-    Hello {{ app.user.userIdentifier }}!<br><br>
-    You're browsing to path "{{ app.request.pathInfo }}".<br><br>
+    Hello {{ app.user.userIdentifier }}!<br /><br />
+    You're browsing to path "{{ app.request.pathInfo }}".<br /><br />
     <a href="{{ logout_path('default') }}">Log out</a>.
     <a href="{{ logout_url('default') }}">Log out</a>.
 {% endblock %}

Tests/Functional/Bundle/CsrfFormLoginBundle/Resources/views/Login/login.html.twig

@@ -6,7 +6,7 @@
         {{ form_widget(form) }}
 
         {# Note: ensure the submit name does not conflict with the form's name or it may clobber field data #}
-        <input type="submit" name="login">
+        <input type="submit" name="login" />
     </form>
 
 {% endblock %}

Tests/Functional/Bundle/FormLoginBundle/Resources/views/Localized/login.html.twig

@@ -8,14 +8,14 @@
 
     <form action="{{ path('localized_check_path') }}" method="post">
         <label for="username">Username:</label>
-        <input type="text" id="username" name="_username" value="{{ last_username }}">
+        <input type="text" id="username" name="_username" value="{{ last_username }}" />
 
         <label for="password">Password:</label>
-        <input type="password" id="password" name="_password">
+        <input type="password" id="password" name="_password" />
 
-        <input type="hidden" name="_target_path" value="">
+        <input type="hidden" name="_target_path" value="" />
 
-        <input type="submit" name="login">
+        <input type="submit" name="login" />
     </form>
 
 {% endblock %}

Tests/Functional/Bundle/FormLoginBundle/Resources/views/Login/after_login.html.twig

@@ -1,7 +1,7 @@
 {% extends "base.html.twig" %}
 
 {% block body %}
-    Hello {{ user.userIdentifier }}!<br><br>
+    Hello {{ user.userIdentifier }}!<br /><br />
     You're browsing to path "{{ app.request.pathInfo }}".
 
     <a href="{{ logout_path('default') }}">Log out</a>.

Tests/Functional/Bundle/FormLoginBundle/Resources/views/Login/login.html.twig

@@ -9,14 +9,14 @@
 
     <form action="{{ path('form_login_check') }}" method="post">
         <label for="username">Username:</label>
-        <input type="text" id="username" name="_username" value="{{ last_username }}">
+        <input type="text" id="username" name="_username" value="{{ last_username }}" />
 
         <label for="password">Password:</label>
-        <input type="password" id="password" name="_password">
+        <input type="password" id="password" name="_password" />
 
-        <input type="hidden" name="_target_path" value="">
+        <input type="hidden" name="_target_path" value="" />
 
-        <input type="submit" name="login">
+        <input type="submit" name="login" />
     </form>
 
 {% endblock %}

Tests/Functional/app/templates/base.html.twig

@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html>
     <head>
-        <meta charset="{{ _charset }}">
+        <meta charset="{{ _charset }}" />
         <title>{% block title %}Welcome!{% endblock %}</title>
         {% block stylesheets %}{% endblock %}
     </head>