fix: closeable icon support in modal method

[zkwolf]

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   使用Modal.method()创建的Modal，closable属性不生效 #3630

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[tangjinzhou]

这个不应该支持吧

[zkwolf]

React那边merge了，参见#27909，这个按钮在confirm下默认closable是false，传true展示出来我觉得逻辑上说的过去

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