fix: [TreeSelect] type check failed when value is number

[wensonsmith]

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This is a ...

• New feature
• Bug fix
• Site / document update
• Component style update
• TypeScript definition update
• Refactoring
• Code style optimization
• Branch merge
• Other (about what?)

What's the background?

1. Describe the source of requirement.

When value is number TreeSelect component will report type check failed warning . It should same as select.

2. Resolve what problem.
3. Related issue link.

Self Check before Merge

• Doc is updated/provided or not needed
• Demo is updated/provided or not needed
• TypeScript definition is updated/provided or not needed
• Changelog is provided or not needed

Additional Plan? (Optional if not new feature)

If this PR related with other PR or following info. You can type here.

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https://app.netlify.com/sites/ant-desing-vue/deploys/5df334d43d1db2000cf6482a

[codecov]

Codecov Report

Merging #1551 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master    #1551   +/-   ##
=======================================
  Coverage   88.03%   88.03%           
=======================================
  Files         157      157           
  Lines        5407     5407           
  Branches     1523     1523           
=======================================
  Hits         4760     4760           
  Misses        578      578           
  Partials       69       69

Impacted Files	Coverage Δ
components/tree-select/interface.jsx	100% <ø> (ø)	⬆️

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[wensonsmith]

Any questions about merging ?

Waiting for the merger and release . My console has too many warnings .

[github-actions]

This pull request has been automatically locked since there has not been any recent activity after it was closed. Please open a new issue for related bugs.