DiskSlaw Security erase being gracefully stopped leaves a hard disk password enabled

[maltob]

Is your feature request related to a problem? Please describe.
If you gracefully shutdown the machine in the middle of security erase the disk security password will remain set, this will prevent disk access until it is removed as the password is null byte padded inhibiting the ability for a user to enter the password on startup.

Describe the solution you'd like
Have removal of the password at shutdown if it is on a drive.

Describe alternatives you've considered
Only selecting a 32 byte long password will allow entering the password at startup, but would cause additional headache if needed in bulk.
Changing to a 32 byte password should still be considered as well with the above shutdown solution so it can be entered on bootup if needed.