✨ Allow CORS backend option and fix frontend to allow it

frontend/src/app/worker/thumbnails.cljs

@@ -7,6 +7,8 @@
 (ns app.worker.thumbnails
   (:require
    ["react-dom/server" :as rds]
+   [app.common.uri :as u]
+   [app.config :as cfg]
    [app.main.exports :as exports]
    [app.main.fonts :as fonts]
    [app.util.http :as http]
@@ -29,11 +31,15 @@
 
 (defn- request-page
   [file-id page-id]
-  (let [uri "/api/rpc/query/page"]
+  (let [uri (u/join (cfg/get-public-uri) "api/rpc/query/page")
+        params {:file-id file-id
+                :id page-id
+                :strip-thumbnails true}]
     (->> (http/send!
-          {:uri uri
-           :query {:file-id file-id :id page-id :strip-thumbnails true}
-           :method :get})
+          {:method :get
+           :uri uri
+           :credentials "include"
+           :query params})
          (rx/map http/conditional-decode-transit)
          (rx/mapcat handle-response))))