[HttpFoundation] fixed format duplication in Request
merged branch fabpot/request-hotfix (PR #8985)

This PR was merged into the 2.2 branch.

Discussion
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[HttpFoundation] fixed format duplication in Request

| Q             | A
| ------------- | ---
| Bug fix?      | yes
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets | #8976
| License       | MIT
| Doc PR        | n/a

Commits
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8c2a733 [HttpFoundation] fixed format duplication in Request