feat(textarea-item): hide delete icon when blur #589

[msdlisper]

背景描述

#589 这次在交互上改进下

主要改动

小叉叉在失去焦点就消失, foucs的时候又重新显示焦点

[codecov-io]

Codecov Report

Merging #593 into dev will increase coverage by 0.01%.
The diff coverage is 100%.

@@            Coverage Diff            @@
##             dev     #593      +/-   ##
=========================================
+ Coverage   81.1%   81.11%   +0.01%     
=========================================
  Files         98       98              
  Lines       2821     2823       +2     
  Branches     550      550              
=========================================
+ Hits        2288     2290       +2     
  Misses       376      376              
  Partials     157      157

Impacted Files	Coverage Δ
components/textarea-item/index.vue	100% <100%> (ø)	⬆️

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