chore(web-modeler): automatically add Web Modeler admin role to first user (#2326)

Author: wollefitz

charts/camunda-platform-alpha/templates/identity/deployment.yaml

@@ -213,6 +213,8 @@ spec:
             - name: KEYCLOAK_USERS_0_ROLES_4
               value: "Web Modeler"
             - name: KEYCLOAK_USERS_0_ROLES_5
+              value: "Web Modeler Admin"
+            - name: KEYCLOAK_USERS_0_ROLES_6
               value: "Console"
             {{- end }}
             {{- end }}

charts/camunda-platform-alpha/test/unit/identity/golden/deployment.golden.yaml

@@ -146,6 +146,8 @@ spec:
             - name: KEYCLOAK_USERS_0_ROLES_4
               value: "Web Modeler"
             - name: KEYCLOAK_USERS_0_ROLES_5
+              value: "Web Modeler Admin"
+            - name: KEYCLOAK_USERS_0_ROLES_6
               value: "Console"
           resources:
             limits: