bug #35562 [HttpClient] fix HttpClientDataCollector when handling can…

…celed responses (nicolas-grekas)

This PR was merged into the 4.4 branch.

Discussion
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[HttpClient] fix HttpClientDataCollector when handling canceled responses

| Q             | A
| ------------- | ---
| Branch?       | 4.4
| Bug fix?      | yes
| New feature?  | no
| Deprecations? | no
| Tickets       | Fix #35458
| License       | MIT
| Doc PR        | -

Commits
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303f9e5 [HttpClient] fix HttpClientDataCollector when handling canceled responses

src/Symfony/Component/HttpClient/DataCollector/HttpClientDataCollector.php

@@ -116,7 +116,7 @@ private function collectOnClient(TraceableHttpClient $client): array
 
             unset($info['filetime'], $info['http_code'], $info['ssl_verify_result'], $info['content_type']);
 
-            if ($trace['method'] === $info['http_method']) {
+            if (($info['http_method'] ?? null) === $trace['method']) {
                 unset($info['http_method']);
             }