⏪ Restore the dashboard thumbnail rendering using wasm (#7796)

* Revert "🐛 Rollback esm worker (#7792)"

This reverts commit 0120a5335b.

* 🐛 Fix incorrect manifest reading on building worker

frontend/shadow-cljs.edn

@@ -83,7 +83,7 @@
      :source-map-detail-level :all}}}
 
   :worker
-  {:target :browser
+  {:target :esm
    :output-dir "resources/public/js/worker/"
    :asset-path "/js/worker"
    :devtools {:browser-inject :main