not changing the favicon.ico file to make sure the change will be updated on the user's browser to get rid of caching
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## Summary by CodeRabbit
- **Style**
- Updated the favicon URL across the application and link previews to include a version query parameter (`?v=2`) for better cache control.
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This pr is trying to split `web` and `electron` entries from `core`. It allows more platform-related optimization to be addressed in each entry.
We should remove all browser/electron only codes from `core` eventually, this is the very first step for that.