Upload Jar form's Clear button is not functioning

Clear Button in Upload Jar Form is not working, user need to close the form in-order to remove the previous selected JAR file.   

    Always

    1. Open Upload Jar File form from Add Page
    2. Upload a JAR file
    3. Remove the JAR the file by using clear button
    

    The selected JAR file is not removed even after using "Clear" button

    The "Clear" button should remove the selected file from the form.