Ability to exclude a script from concatenation

This may sound like a stretch case but there is a simple and important use case that can benefit from it:

• using PlayCanvas .js assets to spawn web workers.

This code will fail if script concatenation is enabled either on launch or on a build:

const workerScript = this.app.assets.find('worker.js', 'script');

const worker = new Worker(workerScript.getFileUrl());

The alternative right now is quite nasty:

1. Have worker.js be worker.txt (text asset)
2. Load its contents in a Blob with an application/javascript mimetype
3. Feed that blob to the Worker constructor using URL.createObjectURL(blob).

It works, but it's not great to edit code in a txt file.

Start from the editor's script-concatenation and build entry points; the issue does not name specific files or tests. Reproduce the Worker failure with a PlayCanvas .js asset, then determine how an asset can be excluded from concatenation while normal scripts retain their existing behavior.