## Description
This PR implements the new design for the list view.
Fixes#33432
## Automation
/ok-to-test tags="@tag.Sanity, @tag.IDE"
### 🔍 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/9660135881>
> Commit: fb8addb5a6fae5c9d68c0164d8332105bfa88ec9
> <a
href="https://internal.appsmith.com/app/cypress-dashboard/rundetails-65890b3c81d7400d08fa9ee5?branch=master&workflowId=9660135881&attempt=1"
target="_blank">Cypress dashboard</a>.
> Tags: `@tag.Sanity, @tag.IDE`
<!-- 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
- **New Features**
- Introduced `AddTab` component to add new JavaScript or Query tabs.
- Added `ScreenModeToggle` for switching between full-screen and
split-screen modes.
- Added `FileTab` component for improved tab interactions.
- Introduced `List` component for conditional rendering based on editor
state.
- **Bug Fixes**
- Corrected test assertions and tab names in `JSRender.test.tsx` and
`QueryRender.test.tsx`.
- Fixed tab closure and interaction flow in
`IDE_Add_Pane_Interactions_spec.ts`.
- **Refactor**
- Simplified selector functions and updated component imports for better
readability and performance.
- **Tests**
- Updated tests to include `currentEntity` props and use
`sanitizeString` for tab titles.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->