Revert "Deflake project settings override on desktop (#4370)" (#4450)

* Revert "Deflake project settings override on desktop (#4370)"

This reverts commit ad1cd56891.

* Part of the revert

src/lang/KclSingleton.ts

@@ -434,9 +434,13 @@ export class KclManager {
 
     // Update the code state and the editor.
     codeManager.updateCodeStateEditor(code)
-
     // Write back to the file system.
-    void codeManager.writeToFile().then(() => this.executeCode())
+    // eslint-disable-next-line @typescript-eslint/no-floating-promises
+    codeManager.writeToFile()
+
+    // execute the code.
+    // eslint-disable-next-line @typescript-eslint/no-floating-promises
+    this.executeCode()
   }
   // There's overlapping responsibility between updateAst and executeAst.
   // updateAst was added as it was used a lot before xState migration so makes the port easier.