refactor: simplify props definition and optimize types

[chouchouji]

Checklist

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• simplify props definition and optimize types

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Name	Status	Preview	Comments	Updated (UTC)
varlet	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Aug 25, 2023 2:49am

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[codecov]

Codecov Report

Merging #1160 (ebdd792) into dev (715193b) will decrease coverage by 0.03%.
Report is 4 commits behind head on dev.
The diff coverage is 100.00%.

❗ Current head ebdd792 differs from pull request most recent head 9bfe114. Consider uploading reports for the commit 9bfe114 to get more accurate results

@@            Coverage Diff             @@
##              dev    #1160      +/-   ##
==========================================
- Coverage   95.68%   95.65%   -0.03%     
==========================================
  Files         337      337              
  Lines       22061    21771     -290     
  Branches     2155     2135      -20     
==========================================
- Hits        21110    20826     -284     
+ Misses        900      894       -6     
  Partials       51       51              

Files Changed	Coverage Δ
packages/varlet-ui/src/rate/Rate.vue	93.47% <100.00%> (-0.48%)	⬇️
packages/varlet-ui/src/rate/props.ts	100.00% <100.00%> (ø)
packages/varlet-ui/src/result/props.ts	100.00% <100.00%> (ø)

... and 18 files with indirect coverage changes