ninja: remove hardcoded email sender name

basic/apps/do-test/vikunja-release.yaml

@@ -9,7 +9,7 @@ spec:
     spec:
       # https://github.com/truecharts/charts/blob/master/charts/stable/vikunja/Chart.yaml
       chart: vikunja
-      version: 6.0.21
+      version: 6.0.1
       sourceRef:
         kind: HelmRepository
         name: truecharts

basic/apps/ninja/invoiceninja-values-configmap.yaml

@@ -57,7 +57,7 @@ data:
       - name: MAIL_FROM_ADDRESS
         value: "${outgoing_mail_from_address}"
       - name: MAIL_FROM_NAME
-        value: "FTT Forensic Discovery GmbH"
+        value: "${business_name}"
 
     # Missing: invoiceninja OpenID Connect Single Sign-On Configuration
     #    - name: Stackspin