Cancelling the file browser dialog after initial file was previously uploaded causes TypeError crash

4.18.0-0.ci-2024-10-30-043000
    

    always

1. user logins to console 
2. goes to Secrets -> Create Image pull secret, on the page - Secret name: test-secret - Authentication type: Upload configuration file, here we click on browse and upload some file.
3. then when we try to browse for other file, but instead of uploading another file we cancel the file chooser dialog, the console crash with 'Cannot read properties of undefined (reading 'size')' error.     

Console crashes with 'Cannot read properties of undefined (reading 'size')' error

Console should not crash.