Using Authentik as a subchart - issues when creating a serviceAccount

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I use Authentik as a subchart, which depends on authentik-remote-cluster for serviceAccount creation.

With authentik.serviceAccount.create=true set the installation fails at this line:

serviceAccountName: {{ include "authentik-remote-cluster.fullname" .Subcharts.serviceAccount }}

Apparently .Subcharts value is not available when Authentik is used as a subchart itself.