Subdomain creation

[AlexRieder]

Purpose

• Used shortuuid instead of global account id for the creation of the subdomain

Does the PR solve an issue

[x ] Yes - #260 
[ ] No

Does this introduce a breaking change?

[ ] Yes
[x ] No - at least I think so

Pull Request Type

What kind of change does this Pull Request introduce?

[ ] Bugfix
[x] Feature
[ ] Code style update (formatting, local variables)
[ ] Refactoring (no functional changes, no api changes)
[ ] Documentation content changes
[ ] Other... Please describe:

How to Test

Execute any scenario

What to Check

Verify that the following are valid

• The subdomain should be created from the subaccount name plus a 10 digit uuid

Other Information

[lechnerc77]

Fixes #260

[lechnerc77]

Validated; https://github.com/SAP-samples/btp-setup-automator/actions/runs/4354419962/jobs/7609728182
Issues arise due to delayed propagation of entitlements, not related to this change