DigitalScholl/Learun.Framework.Ultimate V7/Learun.Application.Web/Content/ueditor/ueditor.view.js

let imgs = document.querySelectorAll('img')
imgs.forEach(e => {
    let src = e.getAttribute('src')
    if (src.includes('Content/ueditor/dialogs/attachment/fileTypeImages/icon_')){
        e.style.display = 'none'
    }
})