Fix multi-team-awareness check in ArgoApp() helper

NOTE: We'll need to update all multi-team and multi-instance aware
components to pass `base=<component-name>` when calling this function.

lib/argocd.libjsonnet

@@ -22,13 +22,14 @@ local params = inv.parameters.argocd;
  *
  * See the documentation https://argoproj.github.io/argo-cd/operator-manual/declarative-setup/#applications
  */
-local ArgoApp(component, namespace, project=null, secrets=true) =
+local ArgoApp(component, namespace, project=null, secrets=true, base=null) =
+  local base_component = if base != null then base else component;
   local team = syn_teams.teamForApplication(component);
   local proj =
     if project != null then (
       std.trace('Parameter `project` for `ArgoApp` is deprecated and will be removed in a future version. Set to `%s`' % project, project)
     ) else if team != syn_teams.owner then (
-      if syn_teams.isMultiTenantAware(component) then
+      if syn_teams.isMultiTenantAware(base_component) then
         team
       else
         error