bug symfony#58569 [Mailer][MailJet] Fix parameters for TrackClicks and TrackOpens (torohill)

This PR was squashed before being merged into the 6.4 branch.

Discussion
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[Mailer][MailJet] Fix parameters for TrackClicks and TrackOpens

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

The current parameters to track clicks and opens don't do anything because they are named incorrectly. Update so that they actually work.

See API reference: https://dev.mailjet.com/email/reference/send-emails/

Commits
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33abeee [Mailer][MailJet] Fix parameters for TrackClicks and TrackOpens

Author: fabpot

src/Symfony/Component/Mailer/Bridge/Mailjet/Tests/Transport/MailjetApiTransportTest.php

@@ -369,8 +369,8 @@ public function testHeaderToMessage()
                         'CustomCampaign' => 'SendAPI_campaign',
                         'DeduplicateCampaign' => true,
                         'Priority' => 2,
-                        'TrackClick' => 'account_default',
-                        'TrackOpen' => 'account_default',
+                        'TrackClicks' => 'account_default',
+                        'TrackOpens' => 'account_default',
                     ],
                 ],
                 'SandBoxMode' => false,
@@ -421,8 +421,8 @@ public function testHeaderToMessage()
                         'CustomCampaign' => 'SendAPI_campaign',
                         'DeduplicateCampaign' => true,
                         'Priority' => 2,
-                        'TrackClick' => 'account_default',
-                        'TrackOpen' => 'account_default',
+                        'TrackClicks' => 'account_default',
+                        'TrackOpens' => 'account_default',
                     ],
                 ],
                 'SandBoxMode' => true,

src/Symfony/Component/Mailer/Bridge/Mailjet/Transport/MailjetApiTransport.php

@@ -47,8 +47,8 @@ class MailjetApiTransport extends AbstractApiTransport
         'X-Mailjet-Campaign' => ['CustomCampaign', 'string'],
         'X-Mailjet-DeduplicateCampaign' => ['DeduplicateCampaign', 'bool'],
         'X-Mailjet-Prio' => ['Priority', 'int'],
-        'X-Mailjet-TrackClick' => ['TrackClick', 'string'],
-        'X-Mailjet-TrackOpen' => ['TrackOpen', 'string'],
+        'X-Mailjet-TrackClick' => ['TrackClicks', 'string'],
+        'X-Mailjet-TrackOpen' => ['TrackOpens', 'string'],
     ];
 
     private string $privateKey;