[HTTPFoundation] fixed stripped HTTP_AUTHORIZATION headers

| Q             | A
| ------------- | ---
| Bug fix?      | yes
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets | #7170
| License       | MIT
| Doc PR        | -

I am not 100% sure about this PR. I didn't find a way to add proper tests and I am relying on what my apache looks like and what the issue #7170 told.