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

src/widgets/ComparisonView/ui/Character/Character.svelte

@@ -4,7 +4,7 @@
 -->
 <script lang="ts">
 import { typographySettingsStore } from '$features/SetupFont';
-import { cn } from '$shared/shadcn/utils/shadcn-utils';
+import clsx from 'clsx';
 import { comparisonStore } from '../../model';
 
 interface Props {
@@ -52,7 +52,7 @@ $effect(() => {
     >
         {#each [0, 1] as s (s)}
             <span
-                class={cn(
+                class={clsx(
                     'char-inner',
                     'transition-colors duration-300',
                     isPast