Fix missing handling channels while node down

[xiaofan-luan]

related to #18250 Signed-off-by: xiaofan-luan [email protected]

[sre-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

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• ~~internal/querycoord/OWNERS~~ [xiaofan-luan]
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[codecov[bot]]

Codecov Report

Merging #18317 (6a89bff) into 2.1.0 (0e4dc11) will increase coverage by 0.04%. The diff coverage is 83.05%.

@@            Coverage Diff             @@
##            2.1.0   #18317      +/-   ##
==========================================
+ Coverage   81.28%   81.32%   +0.04%     
==========================================
  Files         476      476              
  Lines       75424    75498      +74     
==========================================
+ Hits        61305    61400      +95     
+ Misses      11446    11429      -17     
+ Partials     2673     2669       -4     

Impacted Files	Coverage Δ
internal/querycoord/handoff_handler.go	78.37% <62.50%> (-1.55%)	:arrow_down:
internal/querycoord/task_scheduler.go	78.45% <75.00%> (+0.34%)	:arrow_up:
internal/querycoord/query_coord.go	77.52% <83.33%> (+4.39%)	:arrow_up:
internal/querycoord/channel_unsubscribe.go	80.17% <87.20%> (-2.44%)	:arrow_down:
internal/querycoord/cluster.go	80.38% <100.00%> (ø)
internal/querycoord/meta.go	79.44% <100.00%> (ø)
internal/querycoord/task.go	77.81% <100.00%> (+0.47%)	:arrow_up:
internal/util/paramtable/component_param.go	89.44% <100.00%> (+0.14%)	:arrow_up:
internal/querycoord/global_meta_broker.go	70.04% <0.00%> (-4.51%)	:arrow_down:
internal/distributed/querycoord/client/client.go	71.14% <0.00%> (-2.00%)	:arrow_down:
... and 19 more

[zhuwenxing]

It would be better to hold this PR until the issue https://github.com/milvus-io/milvus/issues/18316 is fixed

[zhuwenxing]

/hold

[stale[bot]]

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