feat: move away from carbon components and TinyMCE (#597)

* feat: remove tinymce & replace org sidebar

* chore: PR Fixes

* chore: move ui font into src dir

* remove files in vite config

* use google font import for loading font

* remove custom font

* more fonts update

* remove font bold

* more removals of font bold

* fix import

* checkpoint

* chore: checkpoint (add course & lms shadcn sidebar)

* minor css improvements and try out font sans

* chore: replace carbon components with shadcn's

* chore: replace carbon components with shadcn _ v3

* chore: ui fixes & storybook update

* feat: UI cleanup

* fix: quick ui fixes

* chore: update pnpm-lock.yaml with new dependencies and versions; fix output.css formatting

* chore: add isloading to button

* feat: add loading state to button stories

* chore: feedback fixes

* fix: feedback fixes

* chore: remove console

* fix: PR comments

* fix: PR comments

---------

Co-authored-by: Rotimi Best <best@classroomio.com>

packages/ui/src/base/sidebar/sidebar-menu-sub.svelte

@@ -0,0 +1,25 @@
+<script lang="ts">
+  import { cn, type WithElementRef } from '../../tools';
+  import type { HTMLAttributes } from 'svelte/elements';
+
+  let {
+    ref = $bindable(null),
+    class: className,
+    children,
+    ...restProps
+  }: WithElementRef<HTMLAttributes<HTMLUListElement>> = $props();
+</script>
+
+<ul
+  bind:this={ref}
+  data-slot="sidebar-menu-sub"
+  data-sidebar="menu-sub"
+  class={cn(
+    'border-sidebar-border mx-3.5 flex min-w-0 translate-x-px flex-col gap-1 border-l px-2.5 py-0.5',
+    'group-data-[collapsible=icon]:hidden',
+    className
+  )}
+  {...restProps}
+>
+  {@render children?.()}
+</ul>