## Description
This PR introduces significant enhancements to the queries and JS tabs
design, aimed at improving user experience.
#### PR fixes following issue(s)
Fixes https://github.com/appsmithorg/appsmith/issues/30862
#### Media
https://github.com/appsmithorg/appsmith/assets/87797149/8453de14-ee78-4835-8528-8a94cd84d660
#### Type of change
- Bug fix (non-breaking change which fixes an issue)
- New feature (non-breaking change which adds functionality)
## Testing
>
#### How Has This Been Tested?
> Please describe the tests that you ran to verify your changes. Also
list any relevant details for your test configuration.
> Delete anything that is not relevant
- [ ] Manual
- [ ] JUnit
- [ ] Jest
- [ ] Cypress
>
>
#### Test Plan
> Add Testsmith test cases links that relate to this PR
>
>
#### Issues raised during DP testing
> Link issues raised during DP testing for better visiblity and tracking
(copy link from comments dropped on this PR)
>
>
>
## 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**
- Enhanced UI with a new icon and tooltip for better visual cues in the
editor tabs.
- Introduced a styled icon container in the `QueryTab` for displaying
the current plugin icon next to the tab title.
- Added a new constant for default split screen width, improving layout
responsiveness.
- **Style**
- Updated styling properties across various components for improved
alignment, background color, and overall aesthetics.
- Introduced a `StyledButton` component for a more customized button
appearance in split-screen tabs.
- Adjusted tab width and styling for a cleaner, more organized tab
display.
- **Refactor**
- Improved layout behavior of editor tabs by adjusting height properties
and removing unnecessary overflow and padding.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
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