client/tso: init the ticker when TSO Follower Proxy is already enabled

[JmPotato]

What problem does this PR solve?

Issue Number: close #8947.

What is changed and how does it work?

Init the ticker directly when TSO Follower Proxy is already enabled.

Check List

Tests

• Unit test
• Integration test

Release note

None.

[codecov]

Codecov Report

Attention: Patch coverage is 81.81818% with 2 lines in your changes missing coverage. Please review.

Project coverage is 76.29%. Comparing base (054a3d4) to head (d99712c).
Report is 1 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #8948      +/-   ##
==========================================
- Coverage   76.29%   76.29%   -0.01%     
==========================================
  Files         463      463              
  Lines       70452    70458       +6     
==========================================
+ Hits        53754    53756       +2     
- Misses      13352    13356       +4     
  Partials     3346     3346              

Flag	Coverage Δ
unittests	76.29% <81.81%> (-0.01%)	⬇️

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[ti-chi-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: lhy1024, rleungx

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• OWNERS [lhy1024,rleungx]

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[ti-chi-bot]

[LGTM Timeline notifier]

Timeline:

• 2024-12-25 07:25:16.81658827 +0000 UTC m=+1632906.905390814: ☑️ agreed by rleungx.
• 2024-12-25 07:47:08.518722096 +0000 UTC m=+1634218.607524640: ☑️ agreed by lhy1024.