KV pairs from parent namespace are not inherited to child namespaces

[anna-geller]

Describe the issue

reproducer - add parent key in company namespace and run:

id: child
namespace: company.team
tasks:
  - id: hello
    type: io.kestra.plugin.core.log.Log
    message: Hello {{ kv('parent') }}

Environment

• Kestra Version:
• Operating System (OS/Docker/Kubernetes):
• Java Version (if you don't run kestra in Docker):