Fix/storage class name empty string

[drinkataco]

Description

Fix several bugs:

• set namespace
• inject secrets in inContainer
• allow blank storageClass value

Type of change

• [x] Bug fix (non-breaking change which fixes an issue)
• [ ] Non-breaking change which adds functionality
• [ ] Breaking change (fix or feature that would cause existing functionality to not work as expected)
• [ ] Documentation update

Checklist

• [x] I have updated the chart version in Chart.yaml according to semantic versioning.
• [ ] I have included any new or changed values in the values.yaml file and documented them in the README if applicable.
• [x] My changes are tested and proven to work.
• [x] I have performed a self-review of my own code.
• [ ] I have commented my code, particularly in hard-to-understand areas.
• [ ] I have made corresponding changes to the documentation.
• [x] My changes generate no new warnings.