Improve tls authentication for sn-platform

[tuteng]

(If this PR fixes a github issue, please add Fixes #<xyz>.)

Fixes #

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Motivation

Explain here the context, and why you're making that change. What is the problem you're trying to solve.

components:
  vault: false
  functions: false
  streamnative_console: false
  node_exporter: false

tls:
  enabled: true
  proxy:
    enabled: true
  broker:
    enabled: true

auth:
  authentication:
    tls:
      enabled: true
  authorization:
    enabled: true
  superUsers:
    proxyRolesEnabled: true

vault:
  enabled: false

certs:
  internal_issuer:
    enabled: true

broker:
  kop:
    enabled: false

Modifications

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Verifying this change

• Make sure that the change passes the CI checks.

(Please pick either of the following options)

This change is a trivial rework / code cleanup without any test coverage.

(or)

This change is already covered by existing tests, such as (please describe tests).

(or)

This change added tests and can be verified as follows:

(example:)

• Added integration tests for end-to-end deployment with large payloads (10MB)
• Extended integration test for recovery after broker failure

Documentation

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Need to update docs?

• doc-required

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• no-need-doc

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• doc

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[github-actions]

@tuteng:Thanks for your contribution. For this PR, do we need to update docs?
(The PR template contains info about doc, which helps others know more about the changes. Can you provide doc-related info in this and future PR descriptions? Thanks)