perf(ui/list): add class and call function

[alec1815]

Checklist

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• Fix linting errors
• Tests have been added / updated (or snapshots)

Change information

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[github-actions]

[codecov-commenter]

Codecov Report

Merging #376 (171bac7) into dev (16a8bed) will increase coverage by 0.00%.
The diff coverage is 100.00%.

@@           Coverage Diff           @@
##              dev     #376   +/-   ##
=======================================
  Coverage   96.40%   96.40%           
=======================================
  Files         209      209           
  Lines        4919     4921    +2     
  Branches     1033     1030    -3     
=======================================
+ Hits         4742     4744    +2     
  Misses        177      177           

Impacted Files	Coverage Δ
packages/varlet-ui/src/list/List.vue	100.00% <100.00%> (ø)

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[haoziqaq]

packages/varlet-ui/src/list/List.vue#L33

'call' is defined but never used