adjusted behavior to always copy override on url files
bug #9899 [Filesystem | WCM] 9339 fix stat on url for filesystem copy (cordoval)

This PR was merged into the 2.3 branch.

Discussion
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[Filesystem | WCM] 9339 fix stat on url for filesystem copy

| Q             | A
| ------------- | ---
| Bug fix?      | yes
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets | #9339
| License       | MIT
| Doc PR        | na

supersedes https://github.com/symfony/symfony/pull/9863

Commits
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4fba412 adjusted behavior to always copy override on url files