bug #20724 [WebProfilerBundle] Fix AJAX panel with fetch requests (OnekO)
bug #20724 [WebProfilerBundle] Fix AJAX panel with fetch requests (OnekO)

This PR was squashed before being merged into the 3.2 branch (closes #20724).

Discussion
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[WebProfilerBundle] Fix AJAX panel with fetch requests

| Q             | A
| ------------- | ---
| Branch?       | 3.2
| Bug fix?      | yes
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets | #20723
| License       | MIT
| Doc PR        | None

Commits
-------

5527ee3 [WebProfilerBundle] Fix AJAX panel with fetch requests

symfony/web-profiler-bundle,symfony/web-profiler-bundle