feat(comp:tooltip): support setting zindex

[danranVm]

fix(comp:table): fixed with ellipsis style

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

PR Type

What kind of change does this PR introduce?

• Bugfix
• Feature
• Component style update
• Code style update (formatting, local variables)
• Refactoring (no functional changes, no api changes)
• Build related changes
• CI related changes
• Documentation content changes
• Application (the showcase website) / infrastructure changes
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What is the current behavior?

What is the new behavior?

Other information

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[codecov]

Codecov Report

Merging #825 (36fc8af) into main (e367009) will increase coverage by 0.00%.
The diff coverage is 100.00%.

@@           Coverage Diff           @@
##             main     #825   +/-   ##
=======================================
  Coverage   85.65%   85.65%           
=======================================
  Files         507      507           
  Lines       13087    13088    +1     
  Branches     3165     3166    +1     
=======================================
+ Hits        11210    11211    +1     
  Misses       1876     1876           
  Partials        1        1           

Impacted Files	Coverage Δ
packages/components/_private/overlay/src/types.ts	100.00% <ø> (ø)
packages/components/tooltip/src/types.ts	100.00% <ø> (ø)
...ckages/components/tooltip/src/useTooltipOverlay.ts	100.00% <ø> (ø)
...ckages/components/_private/overlay/src/Overlay.tsx	96.29% <100.00%> (+0.06%)	⬆️

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