## Description
> [!TIP]
To update the explorer widgets and icons to match the new Anvil design
system
**How**
1. Update all the icons and thumbnails svg for widgets in the explorer
2. Update the WidgetCard component to implement the new design
3. Test functionality of widgets manually
Fixes#32330
## Automation
/ok-to-test tags="@tag.Visual, @tag.MainContainer, @tag.Widget"
### 🔍 Cypress test results
<!-- This is an auto-generated comment: Cypress test results -->
> [!IMPORTANT]
> Workflow run:
<https://github.com/appsmithorg/appsmith/actions/runs/8598999945>
> Commit: `47cf5a8e0e14e986da31e02ba8f630fd27ce310f`
> Cypress dashboard url: <a
href="https://internal.appsmith.com/app/cypress-dashboard/rundetails-65890b3c81d7400d08fa9ee5?branch=master&workflowId=8598999945&attempt=1"
target="_blank">Click here!</a>
> All cypress tests have passed 🎉🎉🎉
<!-- end of auto-generated comment: Cypress test results -->
<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit
- **New Features**
- Introduced a new `UIEntityCard` component for representing widgets in
the editor sidebar with enhanced drag-and-drop functionality and
improved visual layout including widget details.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
