fix: nats consumer deleted on shutdown

[Ash-exp]

Description

Update on common-lib: Currently we create Ephemeral consumers by NATS Subscribe method. but with the introduction of NATS graceful shutdown using Drain() function. the NATS client deletes durable consumers that it created during QueueSubscribe(). Need to properly handle this condition first until then reverting the graceful shutdown implementation.

Fixes #5323

Checklist:

• The title of the PR states what changed and the related issues number (used for the release note).
• Does this PR requires documentation updates?
• I've updated documentation as required by this PR.
• I have performed a self-review of my own code.
• I have commented my code, particularly in hard-to-understand areas.
• I have tested it for all user roles.
• I have added all the required unit/api test cases.

Does this PR introduce a user-facing change?

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

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