fix(comp:select): value key of select is 'value' by default

[threedayAAAAA]

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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)
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[codecov]

Codecov Report

Merging #892 (a76d60f) into main (84e8e17) will increase coverage by 0.00%.
The diff coverage is 100.00%.

@@           Coverage Diff           @@
##             main     #892   +/-   ##
=======================================
  Coverage   93.46%   93.46%           
=======================================
  Files         657      657           
  Lines       65008    65025   +17     
  Branches     7822     7823    +1     
=======================================
+ Hits        60760    60777   +17     
  Misses       4248     4248           

Impacted Files	Coverage Δ
...ackages/components/select/__tests__/select.spec.ts	100.00% <100.00%> (ø)
...mponents/select/src/composables/useGetOptionKey.ts	92.68% <100.00%> (+0.79%)	⬆️

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