## Context
Improves the tab behaviour for explorer to follow the SQL Editor
- Tabs now start as preview tabs and become permanent once you start
interacting with them
- Query Tabs become permanent as soon as you start typing in the editor
- Chat tabs become permanent as soon as you start typing in the chat
input
- Notebook tabs become permanenet as soon as you make any changes to the
notebook
- Notebooks with unsaved changes will show the orange dot indicator
<img width="197" height="67" alt="image"
src="https://github.com/user-attachments/assets/3005c379-a49a-4cd8-8d90-65406b186141"
/>
- Closing a notebook tab with unsaved changes will show a confirmation
dialog
- Except if the new notebook has no content (no changes)
<img width="375" height="218" alt="image"
src="https://github.com/user-attachments/assets/6ad10779-6415-4c55-bb4f-61d938e744c9"
/>
<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit
* **New Features**
* Explorer chat, query, and notebook tabs now begin as previews and
become permanent when edited or saved.
* Added unsaved-change indicators and close confirmation for edited
notebook tabs.
* Confirmed closure of edited notebooks now discards unsaved changes.
* **Bug Fixes**
* Improved restoration and persistence of Explorer drafts.
* Notebook saves now reflect the latest edits and tab state.
* Prevented stale save responses from incorrectly marking newer edits as
saved.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
## Context
Just reorganizing the files under the Explorer folder as details are a
bit more clearer
Mainly shifting related and exclusive files into their own folder and
tests into `__tests__` folder + renaming some files
<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit
- **New Features**
- Added query result display settings for switching between table and
chart views.
- Added chart configuration options for chart type, axes, scaling,
cumulative mode, and labels.
- Automatically prevents invalid logarithmic scaling when chart data is
incompatible.
- **Refactor**
- Standardized Explorer tab and query source naming across the interface
without changing existing behavior.
- Updated Explorer navigation, routing, and page wiring to use the
standardized components.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
Joshen Lim