⏪ Backport transit and plugins hardening compatibility issue

From staging

frontend/src/app/main.cljs

@@ -8,6 +8,8 @@
   (:require
    [app.common.data.macros :as dm]
    [app.common.logging :as log]
+   [app.common.time :as ct]
+   [app.common.transit :as t]
    [app.common.types.objects-map]
    [app.config :as cf]
    [app.main.data.auth :as da]
@@ -100,6 +102,15 @@
 
 (defn ^:export init
   [options]
+  ;; WORKAROUND: we set this really not usefull property for signal a
+  ;; sideffect and prevent GCC remove it. We need it because we need
+  ;; to populate the Date prototype with transit related properties
+  ;; before SES hardning is applied on loading MCP plugin
+  (unchecked-set js/globalThis "penpotStartDate"
+                 (-> (ct/now)
+                     (t/encode-str)
+                     (t/decode-str)))
+
   ;; Before initializing anything, check if the browser has loaded
   ;; stale JS from a previous deployment. If so, do a hard reload so
   ;; the browser fetches fresh assets matching the current index.html.