Merge branch '6.4' into 7.2

* 6.4:
  fix rendering notifier message options
  Enable `JSON_PRESERVE_ZERO_FRACTION` in `jsonRequest` method
  [TwigBridge] Fix compatibility with Twig 3.21

Author: xabbuh

AbstractBrowser.php

@@ -163,7 +163,7 @@ public function xmlHttpRequest(string $method, string $uri, array $parameters =
      */
     public function jsonRequest(string $method, string $uri, array $parameters = [], array $server = [], bool $changeHistory = true): Crawler
     {
-        $content = json_encode($parameters);
+        $content = json_encode($parameters, \JSON_PRESERVE_ZERO_FRACTION);
 
         $this->setServerParameter('CONTENT_TYPE', 'application/json');
         $this->setServerParameter('HTTP_ACCEPT', 'application/json');

Tests/AbstractBrowserTest.php

@@ -68,12 +68,12 @@ public function testXmlHttpRequest()
     public function testJsonRequest()
     {
         $client = $this->getBrowser();
-        $client->jsonRequest('GET', 'http://example.com/', ['param' => 1], [], true);
+        $client->jsonRequest('GET', 'http://example.com/', ['param' => 1, 'float' => 10.0], [], true);
         $this->assertSame('application/json', $client->getRequest()->getServer()['CONTENT_TYPE']);
         $this->assertSame('application/json', $client->getRequest()->getServer()['HTTP_ACCEPT']);
         $this->assertFalse($client->getServerParameter('CONTENT_TYPE', false));
         $this->assertFalse($client->getServerParameter('HTTP_ACCEPT', false));
-        $this->assertSame('{"param":1}', $client->getRequest()->getContent());
+        $this->assertSame('{"param":1,"float":10.0}', $client->getRequest()->getContent());
     }
 
     public function testGetRequestWithIpAsHttpHost()