Merge branch '6.4' into 7.0

* 6.4:
  [AssetMapper] Allow simple, relative paths in importmap.php
  [PropertyInfo] Make isWriteable() more consistent with isReadable() when checking snake_case properties
  [AssetMapper] Add support for CSS files in the importmap
  [Messenger] Add `--all` option to the `messenger:failed:remove` command
  Fix merge
  fix #51235 - fix the order of merging of serializationContext and self::CONTEXT_DENORMALIZE
  [HttpClient] Fix Static Code Analyzer issue with JsonMockResponse
  [Messenger] Fix exiting `FailedMessagesRetryCommand`
  [Serializer] Fix reindex normalizedData array in AbstractObjectNormalizer::denormalize()
  remove an unreachable code branch
  [Validator] Fix `File::$extensions`’ PHPDoc
  [Mime] Fix email (de)serialization issues
  [FrameworkBundle][WebProfilerBundle][Console][Form][HttpKernel][PropertyInfo][Validator] Remove optional before required param
  Replace usages of SkippedTestSuiteError with markTestSkipped() call
  Update InteractiveAuthenticatorInterface description wording to match documentation
  [Serializer] Fix parsing XML root node attributes
  fix parsing of payload timestamp to DateTimeImmutable
  Fix routing to multiple fallback transports
  Fix missing stamps in delayed message handling
  [DoctrineBridge] Ignore invalid stores in `LockStoreSchemaListener` raised by `StoreFactory`

RemoteEvent/MailgunPayloadConverter.php

@@ -50,8 +50,8 @@ public function convert(array $payload): AbstractMailerEvent
             };
             $event = new MailerEngagementEvent($name, $payload['id'], $payload);
         }
-        if (!$date = \DateTimeImmutable::createFromFormat('U.u', $payload['timestamp'])) {
-            throw new ParseException(sprintf('Invalid date "%s".', $payload['timestamp']));
+        if (!$date = \DateTimeImmutable::createFromFormat('U.u', sprintf('%.6F', $payload['timestamp']))) {
+            throw new ParseException(sprintf('Invalid date "%s".', sprintf('%.6F', $payload['timestamp'])));
         }
         $event->setDate($date);
         $event->setRecipientEmail($payload['recipient']);

Tests/Webhook/Fixtures/clicks.php

@@ -6,6 +6,6 @@
 $wh->setRecipientEmail('alice@example.com');
 $wh->setTags(['my_tag_1', 'my_tag_2']);
 $wh->setMetadata(['my_var_1' => 'Mailgun Variable #1', 'my-var-2' => 'awesome']);
-$wh->setDate(\DateTimeImmutable::createFromFormat('U.u', 1521243339.873676));
+$wh->setDate(\DateTimeImmutable::createFromFormat('U.u', '1521243339.873676'));
 
 return $wh;

Tests/Webhook/Fixtures/delivered_messages.json

@@ -6,7 +6,7 @@
     },
     "event-data": {
         "id": "CPgfbmQMTCKtHW6uIWtuVe",
-        "timestamp": 1521472262.908181,
+        "timestamp": 1521472262.000002,
         "log-level": "info",
         "event": "delivered",
         "delivery-status": {

Tests/Webhook/Fixtures/delivered_messages.php

@@ -6,7 +6,7 @@
 $wh->setRecipientEmail('alice@example.com');
 $wh->setTags(['my_tag_1', 'my_tag_2']);
 $wh->setMetadata(['my_var_1' => 'Mailgun Variable #1', 'my-var-2' => 'awesome']);
-$wh->setDate(\DateTimeImmutable::createFromFormat('U.u', 1521472262.908181));
+$wh->setDate(\DateTimeImmutable::createFromFormat('U.u', '1521472262.000002'));
 $wh->setReason('OK');
 
 return $wh;

Tests/Webhook/Fixtures/opens.php

@@ -6,6 +6,6 @@
 $wh->setRecipientEmail('alice@example.com');
 $wh->setTags(['my_tag_1', 'my_tag_2']);
 $wh->setMetadata(['my_var_1' => 'Mailgun Variable #1', 'my-var-2' => 'awesome']);
-$wh->setDate(\DateTimeImmutable::createFromFormat('U.u', 1521243339.873676));
+$wh->setDate(\DateTimeImmutable::createFromFormat('U.u', '1521243339.873676'));
 
 return $wh;

Tests/Webhook/Fixtures/permanent_failure.php

@@ -6,7 +6,7 @@
 $wh->setRecipientEmail('alice@example.com');
 $wh->setTags(['my_tag_1', 'my_tag_2']);
 $wh->setMetadata(['my_var_1' => 'Mailgun Variable #1', 'my-var-2' => 'awesome']);
-$wh->setDate(\DateTimeImmutable::createFromFormat('U.u', 1521233195.375624));
+$wh->setDate(\DateTimeImmutable::createFromFormat('U.u', '1521233195.375624'));
 $wh->setReason('No Such User Here');
 
 return $wh;

Tests/Webhook/Fixtures/spam_complaints.php

@@ -6,6 +6,6 @@
 $wh->setRecipientEmail('alice@example.com');
 $wh->setTags(['my_tag_1', 'my_tag_2']);
 $wh->setMetadata(['my_var_1' => 'Mailgun Variable #1', 'my-var-2' => 'awesome']);
-$wh->setDate(\DateTimeImmutable::createFromFormat('U.u', 1521233123.501324));
+$wh->setDate(\DateTimeImmutable::createFromFormat('U.u', '1521233123.501324'));
 
 return $wh;

Tests/Webhook/Fixtures/suppression_failure.php

@@ -6,7 +6,7 @@
 $wh->setRecipientEmail('alice@example.com');
 $wh->setTags(['my_tag_1', 'my_tag_2']);
 $wh->setMetadata(['my_var_1' => 'Mailgun Variable #1', 'my-var-2' => 'awesome']);
-$wh->setDate(\DateTimeImmutable::createFromFormat('U.u', 1521233195.375624));
+$wh->setDate(\DateTimeImmutable::createFromFormat('U.u', '1521233195.375624'));
 $wh->setReason('Not delivering to previously bounced address');
 
 return $wh;

Tests/Webhook/Fixtures/temporary_failure.php

@@ -6,7 +6,7 @@
 $wh->setRecipientEmail('alice@example.com');
 $wh->setTags(['my_tag_1', 'my_tag_2']);
 $wh->setMetadata(['my_var_1' => 'Mailgun Variable #1', 'my-var-2' => 'awesome']);
-$wh->setDate(\DateTimeImmutable::createFromFormat('U.u', 1521472262.908181));
+$wh->setDate(\DateTimeImmutable::createFromFormat('U.u', '1521472262.908181'));
 $wh->setReason("4.2.2 The email account that you tried to reach is over quota. Please direct\n4.2.2 the recipient to\n4.2.2  https://support.example.com/mail/?p=422");
 
 return $wh;

Tests/Webhook/Fixtures/unsubscribes.php

@@ -6,6 +6,6 @@
 $wh->setRecipientEmail('alice@example.com');
 $wh->setTags(['my_tag_1', 'my_tag_2']);
 $wh->setMetadata(['my_var_1' => 'Mailgun Variable #1', 'my-var-2' => 'awesome']);
-$wh->setDate(\DateTimeImmutable::createFromFormat('U.u', 1521243339.873676));
+$wh->setDate(\DateTimeImmutable::createFromFormat('U.u', '1521243339.873676'));
 
 return $wh;