Display a form submit button.
When this button is clicked, all widget values inside the form will be sent to Streamlit in a batch.
Every form must have a form_submit_button. A form_submit_button cannot exist outside a form.
For more information about forms, check out our blog post.
A short label explaining to the user what this button is for. Defaults to "Submit".
help (str or None)
A tooltip that gets displayed when the button is hovered over. Defaults to None.