Fix DataNode panic while allocating IDs

[XuanYang-cn]

See also: #17270

Signed-off-by: yangxuan xuan.yang@zilliz.com

/kind bug

[codecov]

Codecov Report

Merging #17294 (26813a1) into master (9579a64) will decrease coverage by 0.10%.
The diff coverage is 82.55%.

@@            Coverage Diff             @@
##           master   #17294      +/-   ##
==========================================
- Coverage   80.75%   80.65%   -0.11%     
==========================================
  Files         462      464       +2     
  Lines       72187    72725     +538     
==========================================
+ Hits        58298    58659     +361     
- Misses      11284    11446     +162     
- Partials     2605     2620      +15     

Impacted Files	Coverage Δ
internal/querynode/task_query.go	0.00% <0.00%> (ø)
internal/querynode/task_search.go	0.00% <0.00%> (ø)
internal/querynode/segment_loader.go	69.24% <47.36%> (-0.43%)	⬇️
internal/querynode/validate.go	75.82% <50.00%> (ø)
internal/querynode/retrieve.go	42.50% <75.00%> (ø)
internal/querynode/task.go	82.60% <76.47%> (+1.00%)	⬆️
internal/querynode/meta_replica.go	83.73% <86.20%> (-1.45%)	⬇️
internal/querynode/flow_graph_insert_node.go	63.06% <86.95%> (-0.44%)	⬇️
internal/querynode/flow_graph_delete_node.go	74.54% <87.50%> (-2.73%)	⬇️
internal/querynode/partition.go	92.15% <90.00%> (-7.85%)	⬇️
... and 45 more

[soothing-rain]

/lgtm

[congqixia]

/lgtm

[sre-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

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