fix: catchup scan never done if wal truncate

[chyezh]

issue: #41062

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 80.57%. Comparing base (1d564a2) to head (43e2412).
Report is 25 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master   #41345      +/-   ##
==========================================
- Coverage   80.58%   80.57%   -0.01%     
==========================================
  Files        1476     1476              
  Lines      209861   209884      +23     
==========================================
- Hits       169111   169110       -1     
- Misses      34615    34635      +20     
- Partials     6135     6139       +4     

Components	Coverage Δ
Client	79.59% <ø> (ø)
Core	72.38% <ø> (+0.01%)	⬆️
Go	81.98% <100.00%> (-0.02%)	⬇️

Files with missing lines	Coverage Δ
...treamingnode/server/wal/adaptor/scanner_adaptor.go	87.75% <100.00%> (+0.08%)	⬆️
...al/streamingnode/server/wal/adaptor/wal_adaptor.go	92.16% <100.00%> (ø)
...erver/wal/interceptors/timetick/inspector/impls.go	100.00% <100.00%> (ø)
...er/wal/interceptors/timetick/inspector/notifier.go	100.00% <100.00%> (ø)
...al/interceptors/timetick/timetick_sync_operator.go	71.80% <100.00%> (-2.66%)	⬇️

... and 37 files with indirect coverage changes

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[sre-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: chyezh, czs007

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[czs007]

/lgtm