使用AngularJS表达式设置输入类型=“文件”在Chrome中不起作用

I am working on a form builder application in Angular and have run into an odd bug in Chrome. I am dynamically setting a form input type based on a variable. This seems to work for all input types except for "file", which will always change to "text" in Chrome. A simple example is below:I am working on a form builder application in A