fix(comp:tree): data display error after search clearing

[liuzaijiang]

PR Checklist

Please check if your PR fulfills the following requirements:

• The commit message follows our guidelines
• Tests for the changes have been added/updated or not needed
• Docs and demo have been added/updated or not needed

What is the current behavior?

搜索后再清空，发现之前的节点不显示

What is the new behavior?

Other information

[idux-bot]

This preview will be available after the AzureCI is passed.

[codecov]

Codecov Report

Merging #952 (3d41bfc) into main (28b7031) will decrease coverage by 0.01%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##             main     #952      +/-   ##
==========================================
- Coverage   92.77%   92.76%   -0.02%     
==========================================
  Files         692      692              
  Lines       67787    67805      +18     
  Branches     7928     7931       +3     
==========================================
+ Hits        62888    62897       +9     
- Misses       4899     4908       +9     

Impacted Files	Coverage Δ
packages/components/tree/__tests__/tree.spec.ts	100.00% <100.00%> (ø)
...s/components/tree/src/composables/useDataSource.ts	100.00% <100.00%> (ø)
...ckages/components/table/src/main/head/HeadCell.tsx	78.26% <0.00%> (-3.65%)	⬇️
packages/pro/config/src/types.ts	100.00% <0.00%> (ø)
packages/components/table/src/types.ts	100.00% <0.00%> (ø)
packages/pro/config/src/defaultConfig.ts	100.00% <0.00%> (ø)
packages/components/table/src/main/MainTable.tsx	88.79% <0.00%> (ø)
packages/components/table/src/main/head/Head.tsx	100.00% <0.00%> (ø)

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