feat(isolation): script now removes itself to hide key from DOM (#9328)

Author: lucasfernog

.changes/isolation-script-remove-itself.md

@@ -0,0 +1,5 @@
+---
+"tauri-utils": patch:enhance
+---
+
+The isolation iframe script now removes itself after execution.

core/tauri-utils/src/pattern/isolation.js

@@ -135,4 +135,6 @@
   }
 
   setTimeout(waitUntilReady, readyIntervalMs)
+
+  document.currentScript.remove()
 })()