Correct TCP transport documentation regarding master-side filtering

[lukasraska]

What does this PR do?

Fixes mention about client-side filtering forTCP transport, plus few small changes

What issues does this PR fix or reference?

Fixes: #63120

Previous Behavior

• Link towards ssl.wrap_socket was not correctly formatted
• Documentation states that TCP transport supports only minion-side filtering

New Behavior

• Link is correct
• Ciphers configuration is mentioned in the example, as that's what you mostly want to do as well
• Note about master-side filtering is corrected, along with links to appropriate commits that introduced that change
• Note about default CLI filtering value is added, so users know what exactly they should be doing

Merge requirements satisfied?

[NOTICE] Bug fixes or features added to Salt require tests.

• Docs
• Changelog - https://docs.saltproject.io/en/master/topics/development/changelog.html
• Tests written/updated

Commits signed with GPG?

Yes

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[lukasraska]

@barbaricyawps FYI

[barbaricyawps]

Thanks, @lukasraska , I'll make sure this gets reviewed!

[barbaricyawps]

Looks good to me from a communications standpoint. I'll get an additional review on it from a subject matter expert if possible.