[CustomerTransformHelper] Use company's name initial as parent folder for companies

[aarongerig]

Q	A
Bug fix?	no
New feature?	yes
BC breaks?	no
Deprecations?	no

This PR changes the parent folder for company objects.

Before:

└── ...
    └── D                          # Initial of customer's lastname
        └── Example Company        # Company Object
            └── John Doe           # Customer Object

After:

└── ...
    └── E                          # Initial of company's name
        └── Example Company        # Company Object
            └── John Doe           # Customer Object

[dpfaffenbauer]

thanks