fix(xds): backwards compatibility on access logs paths (backport of #7662)

[kumahq]

Automatic cherry-pick of #7662 for branch release-2.0

Generated by action

cherry-picked commit 27ea0f0
⚠️ ⚠️ ⚠️ Conflicts happened when cherry-picking! ⚠️ ⚠️ ⚠️

On branch release-2.0
Your branch is up to date with 'origin/release-2.0'.

You are currently cherry-picking commit 27ea0f00c.
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Unmerged paths:
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	both modified:   pkg/core/xds/metadata.go
	both modified:   pkg/core/xds/metadata_test.go
	both modified:   pkg/xds/auth/callbacks.go
	both modified:   pkg/xds/server/callbacks/dataplane_callbacks.go
	both modified:   pkg/xds/server/callbacks/dataplane_status_tracker.go

no changes added to commit (use "git add" and/or "git commit -a")