refactor: use PUT on /position to move authenticator

[sstrigler]

Fixes EMQX-7863

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PR Checklist

Please convert it to a draft if any of the following conditions are not met. Reviewers may skip over until all the items are checked:

• Added tests for the changes
• Changed lines covered in coverage report
• Change log has been added to changes/ dir
• For EMQX 4.x: appup files updated (execute scripts/update-appup.sh emqx)
• For internal contributor: there is a jira ticket to track this change
• If there should be document changes, a PR to emqx-docs.git is sent, or a jira ticket is created to follow up
• In case of non-backward compatible changes, reviewer should check this item as a write-off, and add details in Backward Compatibility section
• Sync with dashboard team on changes

Backward Compatibility

More information

[coveralls]

Pull Request Test Coverage Report for Build 3576050827

• 2 of 2 (100.0%) changed or added relevant lines in 1 file are covered.
• 21 unchanged lines in 6 files lost coverage.
• Overall coverage increased (+0.04%) to 78.386%

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Files with Coverage Reduction	New Missed Lines	%
apps/emqx/src/emqx_banned.erl	1	89.39%
apps/emqx/src/emqx_frame.erl	1	88.72%
apps/emqx/src/emqx_connection.erl	1	88.18%
apps/emqx_gateway/src/mqttsn/emqx_sn_channel.erl	1	73.04%
apps/emqx_gateway/src/exproto/emqx_exproto_gcli.erl	3	48.78%
apps/emqx/src/emqx_reason_codes.erl	14	88.97%

Totals
Change from base Build 3575053373:	0.04%
Covered Lines:	21031
Relevant Lines:	26830

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💛 - Coveralls

[zmstone]

need a rebase

[zmstone]

will this affect dashboard?

[sstrigler]

will this affect dashboard?

Yes, @ysfscream has been notified about changes

[ysfscream]

will this affect dashboard?

YES. @zmstone If it's merged. We will fix it immediately.

The base branch was changed.