started work on simplifying invoice page

src/cljs/auto_ap/effects.cljs

@@ -168,10 +168,15 @@
      (let [headers (if token
                      {"Authorization" (str "Token " token)} 
                      {})
+           on-success (if (fn? on-success)
+                        on-success
+                        (fn [result]
+                          (conj on-success result)))
            
            method (if  (= (get-in query-obj [:venia/operation :operation/type]) :mutation)
                     :post
                     :get)
+
            headers (if (= method :post)
                      (assoc headers "Content-Type" "text/plain")
                      headers)
@@ -214,5 +219,5 @@
                 :body
                 :data
                 (dates->date-times)
-                (conj on-success)
+                (on-success)
                 (re-frame/dispatch))))))))