fixed file explorer icons tyle inonsistentcy

src/app/files/file-explorer.js

@@ -522,12 +522,12 @@ fileExplorer.prototype.renderMenuItems = function () {
     items = this.menuItems.map(({action, title, icon}) => {
       if (action === 'uploadFile') {
         return yo`
-          <label class="${icon} ${css.newFile}"  title="${title}">
+          <span class="${icon} ${css.newFile}"  title="${title}">
             <input type="file" onchange=${(event) => {
               event.stopPropagation()
               this.uploadFile(event)
             }} multiple />
-          </label>
+          </span>
         `
       } else {
         return yo`