fix(signature): 修复抖音支付宝等小程序无法获取到canvas节点

[Chef5]

这个 PR 做了什么? (简要描述所做更改)
修复抖音小程序中签名组件报错，因为代码中只判断了微信小程序和京东小程序

这个 PR 是什么类型? (至少选择一个)

• [✅ ] fix: bug 修复 在支付宝小程序开发中, Signature签名组件是无法使用的, #3251
  这个 PR 涉及以下平台:

• [ ✅ ] NutUI Taro @nutui/nutui-taro

这个 PR 是否已自测:

• [✅ ] 已自测，本地项目修改node_modules

[Miles-hxy]

那是不是直接判断不是web就行了

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Additional details and impacted files

@@          Coverage Diff          @@
##             v4    #3289   +/-   ##
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  Coverage      ?   81.48%           
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  Files         ?      226           
  Lines         ?    18163           
  Branches      ?     2496           
=====================================
  Hits          ?    14800           
  Misses        ?     3345           
  Partials      ?       18           

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[Chef5]

那是不是直接判断不是web就行了

Taro.getEnv()还有ReactNative、QUICKAPP 快应用，这两类应该不属于小程序吧