fix(component): use both type and optionalTypes to infer property type
          #98
        
          
      
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Fixes #97
考虑到
optionalTypes,observer 函数的参数类型可能很难推断出来,所以我将其设置为了any。如果你有可行方案就拒绝这个 PR 吧。另外,
ShortProperty与PropertyType是重复的,所以我删除了ShortProperty,全部使用PropertyType。