chore(build): file-sync production as default

shadow-cljs.edn

@@ -32,7 +32,7 @@
                                                 :redef false}}
         :closure-defines  {goog.debug.LOGGING_ENABLED       true
                            frontend.config/ENABLE-PLUGINS   #shadow/env ["ENABLE_PLUGINS"   :as :bool :default true]
-                           frontend.config/ENABLE-FILE-SYNC-PRODUCTION #shadow/env ["ENABLE_FILE_SYNC_PRODUCTION" :as :bool :default false]}
+                           frontend.config/ENABLE-FILE-SYNC-PRODUCTION #shadow/env ["ENABLE_FILE_SYNC_PRODUCTION" :as :bool :default true]}
 
         ;; NOTE: electron, browser/mobile-app use different asset-paths.
         ;;   For browser/mobile-app devs, assets are located in /static/js(via HTTP root).