fix: Fix no L0 compaction tasks are executed

[bigsheeper]

The nodeID for compaction task initialization is 0. This PR adjusts the task reassignment conditions to allow new compaction tasks to be reassigned and executed.

issue: #34460

[bigsheeper]

rerun ut

[bigsheeper]

rerun ut

[wayblink]

/lgtm

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 84.39%. Comparing base (c332f69) to head (d24a5bd).
Report is 10 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master   #34537      +/-   ##
==========================================
+ Coverage   80.69%   84.39%   +3.69%     
==========================================
  Files        1127      876     -251     
  Lines      139341   115798   -23543     
==========================================
- Hits       112443    97728   -14715     
+ Misses      22613    13750    -8863     
- Partials     4285     4320      +35     

Files	Coverage Δ
internal/datacoord/compaction_task_clustering.go	47.33% <100.00%> (ø)
internal/datacoord/compaction_task_l0.go	63.07% <100.00%> (-1.66%)	⬇️
internal/datacoord/compaction_task_mix.go	66.82% <100.00%> (-2.77%)	⬇️

... and 298 files with indirect coverage changes

[xiaofan-luan]

/approve

[sre-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: bigsheeper, xiaofan-luan

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[wayblink]

/lgtm