[Backport into 5.20] Added a fix for namespace bucket caching while upload

[liranmauda]

Explain the Changes

Added a fix for namespace bucket caching while upload
(cherry picked from commit 18d6859)

Issues: Fixed #xxx / Gap #xxx

1. https://issues.redhat.com/browse/DFBUGS-4148

[aayushchouhan09]

Thanks!

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