@Override
	protected void okCallback() {
		resultState = RESULT_STATE.OK;
		close();
	}
Simple dialog with single input field to prompt user for password.
<p>
User can cancel, or cancel-all, which can be determined by inspecting
the value of the semi-visible member variables.
<p>
Treat this as an internal detail of PopupGUIPasswordProvider.
Ghidra/Features/Base/src/main/java/ghidra/formats/gfilesystem/crypto/PasswordDialog.java