Create Azure ARO Cluster without "apps" being automatically part of the domain

Hi,

when we create an azure aro cluster with the az aro create command, we use the --domain parameter with our base-domain like this --domain ourdomain.com. This will always result in an ARO cluster using *.apps.ourdomain.com, whereas we want it to be just *.ourdomain.com

In the openshift installer, we can prevent this behavior by setting "basedomain" in the install-config.yaml accordingly.
In ARO we dont seem to have this option.

kind regards
Philipp

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* ID: 08eb181a-b377-c854-69cc-3b9307f59f72
* Version Independent ID: 2142cb43-b027-86a1-6d3c-2f77bf86d177
* Content: [az aro](https://docs.microsoft.com/en-us/cli/azure/aro?view=azure-cli-latest)
* Content Source: [latest/docs-ref-autogen/aro.yml](https://github.com/MicrosoftDocs/azure-docs-cli/blob/master/latest/docs-ref-autogen/aro.yml)
* GitHub Login: @rloutlaw
* Microsoft Alias: **routlaw**