CORS Image upload error even after fix. Please Help

Whenever I try to upload an image to firebase I keep getting the CORS error. I followed the tutorial to fix it on the flutterflow docs, watched many vids, asked chatGPT, tried every fix but it keeps giving me the error.

Here is the exact error:

Ive already tried this from the docs and got the desired output:

This was for "GET", I also did one for "POST" too.

Then also tried this from GPT:

Here are my upload actions:

And here is an action to actually set to a document by pressing a button:

Any help would be really appreciated. Been stuck on this for hours!

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