Makes multiple client selection somewhat possible via graphql.

src/clj/auto_ap/graphql/invoices.clj

@@ -37,7 +37,7 @@
   (let [args (assoc args :id (:id context))
         [invoices invoice-count outstanding total-amount] (-> args
                                                               :filters
-                                                              (assoc :id (:id context))
+                                                              (assoc :clients (:clients context))
                                                               (<-graphql)
                                                               (update  :status enum->keyword "invoice-status")
                                                               (d-invoices/get-graphql))]