> Pull Request Template
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## Description
In this PR, we are implementing two features
- When space distribution is happening via the implicit/explicit method,
distribution handle is attracted to the nearest node once mouse pointer
is near to it.
https://github.com/appsmithorg/appsmith/assets/35134347/a83e4adf-2e1b-413a-9a59-331707c3aa7a
- Implicit space distribution, space distribution can also be done via
section/zone property pane.
https://github.com/appsmithorg/appsmith/assets/35134347/4123d7dd-659e-483b-91f3-d454e7e0a31d
#### PR fixes following issue(s)
Fixes # (issue number)
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about this first
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#### Media
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#### Type of change
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- Bug fix (non-breaking change which fixes an issue)
- New feature (non-breaking change which adds functionality)
- Breaking change (fix or feature that would cause existing
functionality to not work as expected)
- Chore (housekeeping or task changes that don't impact user perception)
- This change requires a documentation update
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## Testing
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#### How Has This Been Tested?
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list any relevant details for your test configuration.
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- [ ] Manual
- [ ] JUnit
- [ ] Jest
- [ ] Cypress
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#### Test Plan
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#### Issues raised during DP testing
> Link issues raised during DP testing for better visiblity and tracking
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## Checklist:
#### Dev activity
- [ ] My code follows the style guidelines of this project
- [ ] I have performed a self-review of my own code
- [ ] I have commented my code, particularly in hard-to-understand areas
- [ ] I have made corresponding changes to the documentation
- [ ] My changes generate no new warnings
- [ ] I have added tests that prove my fix is effective or that my
feature works
- [ ] New and existing unit tests pass locally with my changes
- [ ] PR is being merged under a feature flag
#### QA activity:
- [ ] [Speedbreak
features](https://github.com/appsmithorg/TestSmith/wiki/Guidelines-for-test-plans#speedbreakers-)
have been covered
- [ ] Test plan covers all impacted features and [areas of
interest](https://github.com/appsmithorg/TestSmith/wiki/Guidelines-for-test-plans#areas-of-interest-)
- [ ] Test plan has been peer reviewed by project stakeholders and other
QA members
- [ ] Manually tested functionality on DP
- [ ] We had an implementation alignment call with stakeholders post QA
Round 2
- [ ] Cypress test cases have been added and approved by SDET/manual QA
- [ ] Added `Test Plan Approved` label after Cypress tests were reviewed
- [ ] Added `Test Plan Approved` label after JUnit tests were reviewed
<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit
- **New Features**
- Introduced a new `Section Splitter Control` for enhanced space
distribution within property pane sections.
- Added a `Zone Stepper Control` to manage zone counts through a
user-friendly interface.
- **Enhancements**
- Improved feature flag logic for more consistent user experience.
- Refined space distribution with new constants and utility functions
for Anvil layout system.
- Streamlined Anvil editor widget structure for better performance and
simplicity.
- **User Interface**
- Implemented new property pane sections for `SectionWidget` and
`ZoneWidget` to improve user interaction and configuration options.
- **Bug Fixes**
- Fixed feature flag retrieval behavior to ensure correct feature
access.
- **Refactor**
- Optimized selectors and hooks for better maintainability and
readability.
- Updated import paths and renamed modules for clearer codebase
navigation.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
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