chore: purge shadcn from codebase. Replace with bits-ui components and other tools

src/shared/ui/ComboControl/ComboControl.svelte

@@ -5,12 +5,12 @@
 -->
 <script lang="ts">
 import type { TypographyControl } from '$shared/lib';
-import { cn } from '$shared/shadcn/utils/shadcn-utils';
 import { Slider } from '$shared/ui';
 import { Button } from '$shared/ui/Button';
 import MinusIcon from '@lucide/svelte/icons/minus';
 import PlusIcon from '@lucide/svelte/icons/plus';
 import { Popover } from 'bits-ui';
+import clsx from 'clsx';
 import TechText from '../TechText/TechText.svelte';
 
 interface Props {
@@ -78,7 +78,7 @@ const displayLabel = $derived(label ?? controlLabel ?? '');
 -->
 {#if reduced}
     <div
-        class={cn(
+        class={clsx(
             'flex gap-4 items-end w-full',
             className,
         )}
@@ -98,7 +98,7 @@ const displayLabel = $derived(label ?? controlLabel ?? '');
 
     <!-- ── FULL MODE ──────────────────────────────────────────────────────────────── -->
 {:else}
-    <div class={cn('flex items-center px-1 relative', className)}>
+    <div class={clsx('flex items-center px-1 relative', className)}>
         <!-- Decrease button -->
         <Button
             variant="icon"
@@ -119,7 +119,7 @@ const displayLabel = $derived(label ?? controlLabel ?? '');
                     {#snippet child({ props })}
                         <button
                             {...props}
-                            class={cn(
+                            class={clsx(
                                 'flex flex-col items-center justify-center w-14 py-1',
                                 'select-none rounded-none transition-all duration-150',
                                 'border border-transparent',