## Description
Makes the pages pane into a Dropdown instead of a list hidden behind
Editor Pane
Fixes#31450
## Automation
/ok-to-test tags="@tag.All"
### 🔍 Cypress test results
<!-- This is an auto-generated comment: Cypress test results -->
> [!CAUTION]
> 🔴🔴🔴 Some tests have failed.
> Workflow run:
<https://github.com/appsmithorg/appsmith/actions/runs/8733103397>
> Commit: 9905212e4307e3c6ee47b0bd819d14ef751143a2
> Cypress dashboard: <a
href="https://internal.appsmith.com/app/cypress-dashboard/rundetails-65890b3c81d7400d08fa9ee5?branch=master&workflowId=8733103397&attempt=2&selectiontype=test&testsstatus=failed&specsstatus=fail"
target="_blank"> Click here!</a>
> The following are new failures, please fix them before merging the PR:
<ol>
>
<li>cypress/e2e/Regression/ClientSide/MobileResponsiveTests/AutoHeight_Tabs_spec.ts
>
<li>cypress/e2e/Regression/ClientSide/MobileResponsiveTests/AutoLayout_Widgets_Copy_Paste_spec.ts
</ol>
> To know the list of identified flaky tests - <a
href="https://internal.appsmith.com/app/cypress-dashboard/identified-flaky-tests-65890b3c81d7400d08fa9ee3?branch=master"
target="_blank">Refer here</a>
<!-- end of auto-generated comment: Cypress test results -->
<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit
- **New Features**
- Added a visibility management menu to the `EditorTitle` component.
- Introduced new `HeaderTitleComponent` to dynamically update based on
editor states.
- Updated the `PartialImportModal` and `PartialExportModal` components
for improved handling.
- Implemented a new callback function `onItemSelected` in
`AddPageContextMenu`.
- Added a search functionality to the app.
- **Enhancements**
- Updated `PageList` methods for better attribute handling and added
`HideList` method.
- Enhanced test clarity and maintainability in various Cypress
regression tests.
- **Bug Fixes**
- Fixed step increment issue in `PageElement` by adjusting the `step`
prop value.
- **Documentation**
- Updated user-facing messages and labels for clarity, such as renaming
"Edit name" to "Rename."
- **Refactor**
- Removed outdated state management properties and methods, simplifying
the codebase.
- Streamlined import statements and component props across multiple
files for consistency.
- **Version Updates**
- Upgraded `design-system` package to a new version for enhanced
features and fixes.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->