fix: Table should not crash with empty column children

[zombieJ]

🤔 This is a ...

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

🔗 Related issue link

https://codesandbox.io/s/hopeful-volhard-gykps

💡 Background and solution

📝 Changelog

Language	Changelog
🇺🇸 English	Fix Table crash when columns with empty children.
🇨🇳 Chinese

☑️ 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

[tests-checker]

Could you please add tests to make sure this change works as expected?

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[chenshuai2144]

喜大普奔

[codecov]

Codecov Report

Merging #20703 into master will not change coverage.
The diff coverage is 100%.

@@           Coverage Diff           @@
##           master   #20703   +/-   ##
=======================================
  Coverage   97.54%   97.54%           
=======================================
  Files         295      295           
  Lines        6842     6842           
  Branches     1889     1856   -33     
=======================================
  Hits         6674     6674           
  Misses        168      168

Impacted Files	Coverage Δ
components/table/hooks/useFilter/index.tsx	100% <100%> (ø)	⬆️
components/table/hooks/useSorter.tsx	90.22% <100%> (ø)	⬆️

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