* refactor(editor): N8N-4540 Main navigation layout rework (#4060)
* ✨ Implemented new editor layout using css grid
* ✨ Reworking main navigation layout, migrating some styling to css modules
* ✨ Reworking main sidebar layout and responsiveness
* 💄 Minor type update
* ✨ Updated editor grid layout so empty cells are collapsed (`fit-content`), fixed updates menu items styling
* ✨ Implemented new user area look & feel in main sidebar
* 💄 Adjusting sidebar bottom padding when user area is not shown
* 💄 CSS cleanup/refactor + minor vue refactoring
* ✨ Fixing overscoll issue in chrome and scrolling behaviour of the content view
* 👌 Addressing review feedback
* ✨ Added collapsed and expanded versions of n8n logo
* ✨ Updating infinite scrolling in templates view to work with the new layout
* 💄 Updating main sidebar expanded width and templates view left margin
* 💄 Updating main content height
* 💄 Adding global styles for scrollable views with centered content, minor updates to user area
* ✨ Updating zoomToFit logic, lasso select box position and new nodes positioning
* ✨ Fixing new node drop position now that mouse detection has been adjusted
* 👌 Updating templates view scroll to top logic and responsive padding, aligning menu items titles
* 💄 Moving template layout style from global css class to component level
* ✨ Moved 'Workflows' menu to node view header. Added new dropdown component for user area and the new WF menu
* 💄 Updating disabled states in new WF menu
* 💄 Initial stab at new sidebar styling
* ✨ Finished main navigation restyling
* ✨ Updating `zoomToFit` and centering logic
* ✨ Adding updates menu item to settings sidebar
* 💄 Adding updates item to the settings sidebar and final touches on main sidebar style
* 💄 Removing old code & refactoring
* 💄 Minor CSS tweaks
* 💄 Opening credentials modal on sidebar menu item click. Minor CSS updates
* 💄 Updating sidebar expand/collapse animation
* 💄 Few more refinements of sidebar animation
* 👌 Addressing code review comments
* ✨ Moved ActionDropdown component to design system
* 👌 Fixing bugs reported during code review and testing
* 👌 Addressing design review comments for the new sidebar
* ✔️ Updating `N8nActionDropdown` component tests
* ✨ Remembering scroll position when going back to templates list
* ✨ Updating zoomToFit logic to account for footer content
* 👌 Addressing latest sidebar review comments
* ✨ New `n8n-menu-item` component
* ✨ Implemented new `n8n-menu` design system component, updated menu items to support collapsed mode
* Minor update to n8n-menu storybook entry
* 💄 Updating collapsed sub-menu style. Fixing vue error on hover.
* ⚡ Changing IMenuItem from interface to type
* ✨ Added new n8n-menu component to editor main sidebar
* ⚡ Finished main sidebar
* ⚡ Added new menus to setttings and credentials view
* ✨ Implemented tab and router modes for n8n-menu
* ✨ Implemented credentials menus using new n8n-menu component
* 💄 Finishing main and settings sidebar details, updating design system stories
* 💄 Adding injected items support to main sidebar, handling navigation errors, small tweaks
* ✔️ Fixing linting errors
* ✔️ Addressing typescript errors in design system components
* ⚡ Using design-system types in editor UI
* 💄 Add support for custom icon size in menu items
* 👌 Addressing code review and design review feedback
* 💄 Minor updates
