fix: drag handle scrolling fixed

[Palanikannan1437]

Description

Added dynamic scrolling in Pages such that you could scroll easily while dragging and dropping nodes.

Summary by CodeRabbit

• New Features
  • Enhanced drag-and-drop functionality with improved scrolling behavior when dragging elements.
  • Exported new utility functions for identifying scrollable elements and handling drag events more effectively.
• Improvements
  • Adjusted scrolling thresholds in the side menu for a more responsive user experience.
  • Minor code adjustments for better clarity and performance.

[coderabbitai[bot]]

Walkthrough

The pull request modifies the SideMenuExtension in the side-menu.tsx file by changing the upward scrollThreshold from 300 to 200. In the drag-handle.ts file, it exports the nodeDOMAtCoords function to enhance drag-and-drop functionality, allowing for the identification of various node types. Additionally, new utility functions for scroll detection are introduced, improving the drag experience. Minor adjustments include the removal of unused variables and added comments, while maintaining the overall structure and responsiveness.

Changes

File Path	Change Summary
packages/editor/src/core/extensions/side-menu.tsx	Adjusted scrollThreshold for upward scrolling from 300 to 200.
packages/editor/src/core/plugins/drag-handle.ts	Exported nodeDOMAtCoords function; added isScrollable and getScrollParent functions; modified drag handling logic for improved scrolling behavior. Removed unused variable and added comments.

Possibly related PRs

• #5329: Refactors the editor side menu, directly related to changes in the SideMenuExtension.
• #5349: Modifies the SideMenu function to enhance interaction with drag-and-drop events, connecting to scrolling behavior adjustments.
• #5371: Refactors the editor side menu and adds support for an AI handle, aligning with modifications to the SideMenuExtension.
• #5400: Refactors the editor side menu to enhance functionality, closely related to the SideMenuExtension changes.
• #5687: Addresses rendering logic of the side menu to prevent multiple instances, relevant to the SideMenuExtension behavior.

Suggested labels

🐛bug, 🌐frontend

Suggested reviewers

• SatishGandham
• aaryan610

Poem

In the editor's cozy den,
The side menu scrolls again.
With drag and drop, it glides so free,
A smoother path for you and me.
Hops and jumps, a joyful spree,
Thanks to changes, let it be! 🐇✨

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