Fix analysis service account in template, allow for analysis service account password

[aae42]

Description

• Currently a bug in the template that makes it so the service account for analysis services has to be overridden, including "", which actually just makes it so the default in the custom resource doesn't work
• Allow for the user to override the analysis service account password if they wish

Issues Resolved

I suppose i could go create one

Check List

• [ ] All tests pass. See TESTING.md for details.
• [ ] New functionality includes testing.
• [x] New functionality has been documented in the README if applicable.