## Description
> [!TIP]
> _Add a TL;DR when the description is longer than 500 words or
extremely technical (helps the content, marketing, and DevRel team)._
>
> _Please also include relevant motivation and context. List any
dependencies that are required for this change. Add links to Notion,
Figma or any other documents that might be relevant to the PR._
Fixes #`Issue Number`
_or_
Fixes `Issue URL`
> [!WARNING]
> _If no issue exists, please create an issue first, and check with the
maintainers if the issue is valid._
## Automation
/ok-to-test tags="@tag.Anvil"
### 🔍 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/9942515767>
> Commit: db1ef7c00e0caa0c433984a198d9e8059a7b609e
> <a
href="https://internal.appsmith.com/app/cypress-dashboard/rundetails-65890b3c81d7400d08fa9ee5?branch=master&workflowId=9942515767&attempt=1"
target="_blank">Cypress dashboard</a>.
> Tags: `@tag.Anvil`
> Spec:
> <hr>Mon, 15 Jul 2024 16:12:38 UTC
<!-- end of auto-generated comment: Cypress test results -->
## Communication
Should the DevRel and Marketing teams inform users about this change?
- [ ] Yes
- [ ] No
<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit
- **New Features**
- Enhanced icon library with new thematic icons and improved
accessibility features.
- Introduced a default option in dropdowns for color selection in the
property pane.
- **Bug Fixes**
- Corrected naming inconsistencies in icon entries.
- **Improvements**
- Streamlined color handling for icon and text components, enhancing
visual coherence.
- Update to the icon component's logic for improved maintainability and
clarity.
- **Documentation**
- Added comments for better understanding of the handling of type errors
in the icon component's story.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
Fixes#28443Fixes#27866
<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit
- **New Features**
- Introduced `IconSelectControlV2` for enhanced icon selection with
keyboard navigation and state updates.
- Added new `iconStyle` theme property for users to define icon styles
globally.
- Implemented dynamic icon loading with fallback options, improving icon
management.
- **Enhancements**
- Simplified icon usage across various components like `Button`,
`IconButton`, `Menu`, `ModalHeader`, `TextInput`, and more by directly
using icon names.
- Enhanced `Tag` component to use a generic `Icon` component for the
remove action.
- **Style Updates**
- Added CSS classes for resizing, boundary display, and pointer event
handling.
- Updated icon size definitions using CSS custom properties.
- **Bug Fixes**
- Fixed icon-related issues in `Button`, `ActionGroup`, `Menu`, and
`TextInput` components to ensure proper icon display.
- **Documentation**
- Updated storybook and test cases to reflect new icon selection and
usage.
- **Refactor**
- Refactored theme and token management to include `iconStyle` for
consistent icon theming.
- Refined the `ButtonGroupWidget` and `MenuButtonWidget` to use the new
icon selection mechanism.
- **Chores**
- Cleaned up unused icon imports and components across the codebase to
streamline the icon system.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
