Fix rendering and operating issues with my backbone.js application

I have written a chrome extension with its code in backbone.js + handlebars template engine.

But I am having problems rendering and operating the code correctly. Specifically:

1. When code gets data from server, it doesn't render it properly in the templates.

2. Make sure data gotten from UI gets added to models properly.

3. Manifest 3 doesn't allow `eval()` function that is being used by handlebars. I need a workaround for this.

If you have experience in backbone.js, I need your help on these things.

backbone.js Handlebars.js

Project ID: #33653298

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