* improve(ui): [WIP] refactor left sidebar component
* improve(ui): [WIP] refactor left sidebar component
* improve(ui): polish left sidebar for mobile
* improve(ui): polish left sidebar for mobile native
* fix: unnecessary stateful component
* improve(ui): tweak padding inner left sidebar
* fix(tests): update tests
* fix(ui): close left sidebar when create page on sm breakpoint
* improve(ui): tweak `--ls-left-sidebar-sm-width` to 70%
* fix(ui): overlap between left sidebar and toolbar right area on mobile