## Description
- chore: add SVGR to appsmith-icon package
- add processing for custom icons
- update date-fns
Changes are necessary for [this EE
PR](https://github.com/appsmithorg/appsmith-ee/pull/5448).
## Automation
/ok-to-test tags="@tag.Sanity"
### 🔍 Cypress test results
<!-- This is an auto-generated comment: Cypress test results -->
> [!TIP]
> 🟢🟢🟢 All cypress tests have passed! 🎉🎉🎉
> Workflow run:
<https://github.com/appsmithorg/appsmith/actions/runs/11551127644>
> Commit: 44fd968044ad5a5ca173c565b3b0c1d6f030cd1e
> <a
href="https://internal.appsmith.com/app/cypress-dashboard/rundetails-65890b3c81d7400d08fa9ee5?branch=master&workflowId=11551127644&attempt=1"
target="_blank">Cypress dashboard</a>.
> Tags: `@tag.Sanity`
> Spec:
> <hr>Mon, 28 Oct 2024 10:11:55 UTC
<!-- end of auto-generated comment: Cypress test results -->
## Communication
Should the DevRel and Marketing teams inform users about this change?
- [ ] Yes
- [x] No
<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit
## Release Notes
- **New Features**
- Introduced `AIAvatarCustomIcon` component for enhanced icon
customization.
- Added `CustomIcons` documentation in Storybook for better visibility
of custom icons.
- **Improvements**
- Updated multiple icon components to accept SVG properties, enhancing
flexibility and reusability.
- Enhanced type safety for `IconCmp` and `ThumbnailCmp` properties
across various interfaces.
- Expanded functionality in the `generateStories` function to include
stories for custom icons.
- **Chores**
- Improved import statements and export structures for better code
organization.
- Extended cleanup functionality to ensure directories are properly
managed.
- Modified the `generateComponents` function to utilize a more robust
SVG-to-React transformation process.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
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