ant-design/ant-design#28847

解决destroyOnClose和forceRender都设置为true时destroyOnClose失效

原因：当forceRender设置为true时，判断是否删除子节点的语句失效

方案：为forceRender增加一层缓存，当第一次打开Modal时设置forceRender为false

此外，感觉antd文档里关于forceRender部分的描述不是很清晰，个人理解为首次未打开Modal可获取其中的dom

觉得可以和dialog的文档稍作同步

Jan 15 '21 12:01 HelloAny

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Jan 15 '21 12:01 vercel[bot]

Codecov Report

Merging #232 (8f7c630) into master (586bfcb) will increase coverage by 0.06%. The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master     #232      +/-   ##
==========================================
+ Coverage   98.10%   98.17%   +0.06%     
==========================================
  Files           6        6              
  Lines         158      164       +6     
  Branches       46       47       +1     
==========================================
+ Hits          155      161       +6     
  Misses          2        2              
  Partials        1        1

Impacted Files	Coverage Δ
src/DialogWrap.tsx	`95.45% <100.00%> (+1.33%)`	:arrow_up:
src/Dialog/Content/index.tsx	`95.23% <0.00%> (-0.12%)`	:arrow_down:
src/Dialog/index.tsx	`100.00% <0.00%> (ø)`

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