authz_fix: keep the previous behaviour of adding encoding header #3805
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Signed-off-by: Gabriel gsagula@gmail.com
Description: This PR brings back the previous behaviour of adding/modifying the encoding headers. Before #3759, headers sent from the authorization server to the downstream client needed to be added via
setReferenceKey()
method which behaves differently than the current implementation which usesaddCopy()
. To mimic the previous behaviour, the header needs to be removed before adding the new one.Risk Level: low
Testing: unit and manual testing