## Description
Refactoring header actions on datasource page to support reusable
queries on EE
#### PR fixes following issue(s)
Fixes [#28568](https://github.com/appsmithorg/appsmith/issues/28568)
#### Type of change
- Chore (housekeeping or task changes that don't impact user perception)
## Testing
#### How Has This Been Tested?
- [x] Manual
- [ ] JUnit
- [ ] Jest
- [x] Cypress
## Checklist:
#### Dev activity
- [x] My code follows the style guidelines of this project
- [x] I have performed a self-review of my own code
- [x] I have commented my code, particularly in hard-to-understand areas
- [ ] I have made corresponding changes to the documentation
- [x] My changes generate no new warnings
- [ ] I have added tests that prove my fix is effective or that my
feature works
- [x] 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 header action management system in the data source
editor, allowing for dynamic action button generation based on user
permissions and editor type.
- Implemented a new editor type detection hook to improve editor
experience.
- **Improvements**
- Streamlined the data source editor interface by removing unused
permissions checks and simplifying action button logic.
- Enhanced the editor's routing system with additional constants for
deprecated paths.
- **Refactor**
- Refactored the `DSFormHeader` component to utilize the new
`useHeaderActions` hook for a cleaner and more maintainable codebase.
- Updated Redux state management to include a new action handler for
resetting editor state.
- **Style**
- Adjusted the layout of the `LeftPaneContainer` by removing the
`min-width` property for a more responsive design.
- **Chores**
- Cleaned up imports and unused variables across multiple files to
improve code clarity and maintainability.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
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