fix: the tree node child maybe undefined

[erha19]

Types

• 🐛 Bug Fixes

Background or solution

Changelog

the tree node child maybe undefined

[codecov]

Codecov Report

Base: 57.75% // Head: 57.76% // Increases project coverage by +0.01% 🎉

Coverage data is based on head (9f48d43) compared to base (006d593).
Patch coverage: 66.66% of modified lines in pull request are covered.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2096      +/-   ##
==========================================
+ Coverage   57.75%   57.76%   +0.01%     
==========================================
  Files        1291     1291              
  Lines       81118    81085      -33     
  Branches    16931    16930       -1     
==========================================
- Hits        46848    46840       -8     
+ Misses      31152    31127      -25     
  Partials     3118     3118              

Flag	Coverage Δ
jsdom	52.55% <66.66%> (+0.01%)	⬆️
node	16.91% <0.00%> (+<0.01%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
...ges/components/src/recycle-tree/types/tree-node.ts	100.00% <ø> (ø)
...r/components/scm-resource-tree/scm-tree.service.ts	18.03% <ø> (+3.36%)	⬆️
...onents/scm-resource-tree/scm-tree-model.service.ts	11.69% <50.00%> (+0.35%)	⬆️
...kages/components/src/recycle-tree/tree/TreeNode.ts	68.67% <75.00%> (ø)
packages/monaco/src/browser/schema-registry.ts	68.88% <0.00%> (-2.23%)	⬇️
packages/utils/src/buffer.ts	31.97% <0.00%> (-1.75%)	⬇️
...erences/src/browser/preference-settings.service.ts	75.46% <0.00%> (-0.62%)	⬇️
...kages/theme/src/browser/workbench.theme.service.ts	71.38% <0.00%> (-0.58%)	⬇️

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[Ricbet]

LGTM