General Checklist

• Affected Issues have been mentioned in the Closing issues section
• Documentation has been written/updated
• PR title is ready for inclusion in changelog

Just refactors commands using GetOrganizationByName to check if the returned organization contains something, since the API will return null instead of an error

Also added an organization-id flag to the add project command to be able to shortcut GetOrganizationByName if the ID is known.